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	<title>_BTS SIO &#8211; Réseau CERTA</title>
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	<item>
		<title>Messagerie sécurisée interne</title>
		<link>https://www.reseaucerta.org/messagerie-securisee-interne/</link>
					<comments>https://www.reseaucerta.org/messagerie-securisee-interne/#comments</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Mon, 02 Mar 2026 07:04:55 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[_📖 Matière]]></category>
		<category><![CDATA[Bloc 1 - Support et mise à disposition de services informatiques]]></category>
		<category><![CDATA[Bloc 2 - Administration des systèmes et des réseaux]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[📁 Ressources]]></category>
		<category><![CDATA[authentification SMTP]]></category>
		<category><![CDATA[DKIM]]></category>
		<category><![CDATA[DMARC]]></category>
		<category><![CDATA[DNS forwarder]]></category>
		<category><![CDATA[Dovecot]]></category>
		<category><![CDATA[IMAP]]></category>
		<category><![CDATA[LMTP]]></category>
		<category><![CDATA[MDA]]></category>
		<category><![CDATA[messagerie]]></category>
		<category><![CDATA[MTA]]></category>
		<category><![CDATA[MUA]]></category>
		<category><![CDATA[Postfix]]></category>
		<category><![CDATA[relais SMTP]]></category>
		<category><![CDATA[SMTP]]></category>
		<category><![CDATA[SPF]]></category>
		<category><![CDATA[submission (port 587)]]></category>
		<category><![CDATA[usurpation d'identité]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=10392</guid>

					<description><![CDATA[MESSAGERIE SÉCURISÉE INTERNE Public concerné 🎓 BTS Services Informatiques aux Organisations Matière 📚 Bloc 1 – Support et mise à disposition de services informatiquesBloc 2 SISR – Administration des systèmes et des réseauxBloc 3 SISR – Cybersécurité des services informatiques Présentation 📋 L’objectif de cette production est d’aborder le service de messagerie et sa sécurisation. [&#8230;]]]></description>
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<div style="background: #8c104f; padding: 2rem 1.5rem; text-align: center;">
<div style="color: #ffffff !important; font-size: 22px; letter-spacing: 0.5px; text-transform: uppercase; font-weight: bold;">MESSAGERIE SÉCURISÉE INTERNE</div>
</div>

<!-- Bloc contenu -->
<div style="background: #f7f9fc; padding: 1.8rem; border-left: 4px solid #8c104f;">

<!-- Public concerné -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">BTS Services Informatiques aux Organisations</div>
</div>

<!-- Matière -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Bloc 1 – Support et mise à disposition de services informatiques<br />Bloc 2 SISR – Administration des systèmes et des réseaux<br />Bloc 3 SISR – Cybersécurité des services informatiques</div>
</div>

<!-- Présentation -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">L’objectif de cette production est d’aborder le service de messagerie et sa sécurisation. Une infrastructure de messagerie est mise en place afin d’étudier la protection contre l’usurpation d’identité (SPF, DKIM, DMARC), les filtres et quotas, le chiffrement des échanges ainsi que l’authentification. <br /><br />Des notions complémentaires sont abordées : configuration d’un DNS faisant autorité, forwarder conditionnel, analyse de journaux. <br /><br /><strong>Activités proposées :</strong>
<ul>
<li>Activité 1 : Configuration des machines et mise en place des DNS</li>
<li>Activité 2 : Paramétrage basique d’un serveur de messagerie</li>
<li>Activité 3 : Protection contre l’usurpation d’identité</li>
<li>Activité 4 : Gestion des boîtes et relève IMAP</li>
<li>Activité 5 : Chiffrement des échanges SMTP et IMAP</li>
<li>Activité 6 : Authentification SMTP des clients de messagerie</li>
</ul>
</div>
</div>

<!-- Savoirs -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Administration Linux et outils de test (messagerie, DNS).<br />Architecture d’un service de messagerie : MUA, MTA, MDA.<br />Protocoles DNS, SMTP, IMAP, POP.<br />Analyse de risque : usurpation d’identité, intégrité, confidentialité.<br />Authentification.<br />Chiffrement asymétrique, signature, hachage.<br />Analyse de logs.</div>
</div>

<!-- Compétences -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;"><strong>Bloc 1 :</strong>
<ul>
<li>Mettre à disposition des utilisateurs un service informatique</li>
</ul>
<strong>Bloc 2 :</strong>
<ul>
<li>Déployer une solution d’infrastructure</li>
</ul>
<strong>Bloc 3 :</strong>
<ul>
<li>Préserver l&rsquo;identité numérique de l&rsquo;organisation</li>
<li>Garantir la confidentialité des services informatiques</li>
<li>Assurer la cybersécurité d’un service</li>
</ul>
</div>
</div>

<!-- Pré-requis -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">
Commandes de base d’administration d’un système Linux.<br />
Notions de virtualisation.<br />
Notions de DNS.<br />
Notion de chiffrement asymétrique.

<div style="margin:1.5rem 0;padding:1rem 1.2rem;background:#fff;border-left:4px solid #8c104f;border-radius:6px;">
<strong style="color:#8c104f;"><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4d8.png" alt="📘" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Pré-requis recommandé</strong><br>
Avant de mettre en place une infrastructure de messagerie sécurisée, il est recommandé de maîtriser l’analyse des courriels suspects et les mécanismes d’usurpation d’identité (phishing, SPF, DKIM, DMARC).  
La production suivante permet d’acquérir ces bases :
<br><br>
<a href="https://www.reseaucerta.org/analyse-de-mails-malveillants-et-securisation/" target="_blank" rel="noopener" style="display:inline-block;background:#8c104f;color:#fff;padding:10px 18px;border-radius:5px;text-decoration:none;font-weight:600;">
Consulter « Analyse de mails malveillants »
</a>
</div>

</div>
</div>

<!-- Outils -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Serveurs virtuels sous Linux (Debian 13).<br />Postfix et Dovecot.<br />Filtres SPF, OpenDKIM, OpenDMARC.<br />Outils de test (swaks, mutt).<br />Accès aux journaux système.<br />DNS (Bind).</div>
</div>

<!-- Durée -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Activités 1 à 3 : 12 heures</div>
</div>

<!-- Téléchargements -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Fichier élève : <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/messagerieSecuriseeInterneContexte-v1.pdf" target="_blank" rel="noopener">messagerieSecuriseeInterneContexte-v1.pdf</a> &#8211; <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/messagerieSecuriseeInterne.zip">messagerieSecuriseeInterne.zip</a><br />Fichier professeur : <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/messagerieSecuriseeInterne_corr.zip">messagerieSecuriseeInterne_corr.zip <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f512.png" alt="🔒" class="wp-smiley" style="height: 1em; max-height: 1em;" /></a></div>
</div>

<!-- Mots-clés -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Mots-clés ﹟</div>
<div style="flex: 1;">messagerie, MTA, MUA, MDA, LMTP, SMTP, IMAP, relais SMTP, Postfix, Dovecot, usurpation d&rsquo;identité, SPF, DKIM, DMARC, authentification SMTP, submission (port 587), DNS forwarder</div>
</div>

<!-- Auteur.e(s) -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Yann Barrot avec les relectures de Patrice Dignan et d&rsquo;Apollonie Raffalli</div>
</div>

<!-- Version -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f504.png" alt="🔄" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">v1</div>
</div>

<!-- Date -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Mars 2026</div>
</div>

</div>
</div>
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		]]></content:encoded>
					
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			</item>
		<item>
		<title>Authentification multifacteur forte SmartCard PIV dans un domaine Windows</title>
		<link>https://www.reseaucerta.org/authentification-multifacteur-forte-smartcard-piv-dans-un-domaine-windows/</link>
					<comments>https://www.reseaucerta.org/authentification-multifacteur-forte-smartcard-piv-dans-un-domaine-windows/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Mon, 02 Mar 2026 06:37:18 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[_📖 Matière]]></category>
		<category><![CDATA[Bloc 2 - Administration des systèmes et des réseaux]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[📁 Ressources]]></category>
		<category><![CDATA[Certificats X509]]></category>
		<category><![CDATA[GPO]]></category>
		<category><![CDATA[mfa]]></category>
		<category><![CDATA[PKI]]></category>
		<category><![CDATA[Tiering]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=10376</guid>

					<description><![CDATA[Déploiement d’une solution d’authentification MFA forte dans un domaine Microsoft Windows Public concerné 🎓 BTS Services Informatiques aux Organisations Matière 📚 Bloc 2 SISR – Administration des systèmes et des réseauxBloc 3 SISR – Cybersécurité des services informatiques Présentation 📋 L’objectif de ce laboratoire est de mettre en place une authentification multifacteur (MFA) forte sans [&#8230;]]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="10376" class="elementor elementor-10376">
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<div style="max-width: 1100px; margin: 2rem auto; font-family: Arial,sans-serif; font-size: 15px; line-height: 1.6; box-shadow: 0 6px 18px rgba(0,0,0,0.06); border-radius: 8px; overflow: hidden;"><!-- Bandeau Titre -->
<div style="background: #8c104f; padding: 2rem 1.5rem; text-align: center;">
<div style="color: #ffffff !important; font-size: 22px; letter-spacing: 0.5px; text-transform: uppercase; font-weight: bold;">Déploiement d’une solution d’authentification MFA forte dans un domaine Microsoft Windows</div>
</div>
<!-- Bloc contenu -->
<div style="background: #f7f9fc; padding: 1.8rem; border-left: 4px solid #8c104f;"><!-- Public concerné -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">BTS Services Informatiques aux Organisations</div>
</div>
<!-- Matière -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Bloc 2 SISR – Administration des systèmes et des réseaux<br />Bloc 3 SISR – Cybersécurité des services informatiques</div>
</div>
<!-- Présentation -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">L’objectif de ce laboratoire est de mettre en place une authentification multifacteur (MFA) forte sans mot de passe (passwordless) pour les comptes Administrateurs du domaine dans un environnement Microsoft Windows. <br /><br />Ce travail permet également d’introduire la notion de tiering Microsoft et de remobiliser les savoirs et compétences liés aux stratégies de groupe (GPO) ainsi qu’à la cryptographie.</div>
</div>
<!-- Compétences -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;"><strong>2.2 Installer, tester et déployer une solution d’infrastructure réseau</strong>
<ul>
<li>Installer et configurer des éléments d’infrastructure</li>
<li>Tester l’intégration et l’acceptation d’une solution</li>
<li>Déployer une solution d’infrastructure</li>
</ul>
<strong>3.3 Sécuriser les équipements et les usages des utilisateurs</strong>
<ul>
<li>Identifier les menaces et mettre en œuvre les défenses appropriées</li>
<li>Gérer les accès et les privilèges</li>
<li>Vérifier l’efficacité de la protection</li>
</ul>
</div>
</div>
<!-- Pré-requis -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Fondamentaux de l’administration Windows Server (AD, GPO).<br />Fondamentaux de la cryptographie (symétrique, asymétrique, hachage, autorité de certification, certificats SSL/TLS).<br />Fondamentaux de l’authentification MFA (TP Bloc 3 SIO 1 publié par le réseau CERTA).</div>
</div>
<!-- Outils -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Un serveur Windows Server 2022 ou 2025 Standard.<br />Au minimum deux postes clients Windows 11 Pro.<br />Au minimum une YubiKey 5.</div>
</div>
<!-- Durée -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">6 heures</div>
</div>
<!-- Téléchargements -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Fichier élève : <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/SmartCard-Activite.pdf" target="_blank" rel="noopener">SmartCard-Activite.pdf</a> &#8211; <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/SmartCardFiches.zip">SmartCardFiches.zip</a><br />Fichier professeur <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f512.png" alt="🔒" class="wp-smiley" style="height: 1em; max-height: 1em;" /> : <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/SmartCard-Activite-corrige.pdf" target="_blank" rel="noopener">SmartCard-Activite-corrige.pdf</a> &#8211; <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/Dossier-prof-editable.zip">Dossier-prof-editable.zip</a></div>
</div>
<!-- Mots-clés -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Mots-clés ﹟</div>
<div style="flex: 1;">PKI, GPO, MFA, Certificats X509, Tiering</div>
</div>
<!-- Auteur.e(s) -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Quentin Demoulière avec la relecture et les précieux conseils de David Balny, Jérôme Bezet-Torres et Michel Vienne</div>
</div>
<!-- Version -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f504.png" alt="🔄" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">V1.0</div>
</div>
<!-- Date -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Mars 2026</div>
</div>
</div>
</div>
								</div>
				</div>
					</div>
				</div>
				</div>
		]]></content:encoded>
					
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		<item>
		<title>Analyse de mails malveillants et sécurisation</title>
		<link>https://www.reseaucerta.org/analyse-de-mails-malveillants-et-securisation/</link>
					<comments>https://www.reseaucerta.org/analyse-de-mails-malveillants-et-securisation/#comments</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Tue, 24 Feb 2026 17:30:44 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[_📖 Matière]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté cours 🧑‍🏫]]></category>
		<category><![CDATA[📁 Ressources]]></category>
		<category><![CDATA[courriel]]></category>
		<category><![CDATA[DKIM]]></category>
		<category><![CDATA[DMARC]]></category>
		<category><![CDATA[e-mail]]></category>
		<category><![CDATA[hameçonnage]]></category>
		<category><![CDATA[Mail]]></category>
		<category><![CDATA[phishing]]></category>
		<category><![CDATA[SPF]]></category>
		<category><![CDATA[usurpation d’identité]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=10340</guid>

					<description><![CDATA[ANALYSE DE MAILS MALVEILLANTS ET SÉCURISATION Public concerné 🎓 BTS Services Informatiques aux Organisations Matière 📚 Bloc 3 SISR – Cybersécurité des services informatiques Présentation 📋 Il s’agit d’apprendre à analyser l’en-tête puis le corps d’un courriel via l’utilisation d’outils spécifiques. Les courriels suspects feront l’objet d’une analyse de type bac à sable. Les attaques [&#8230;]]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="10340" class="elementor elementor-10340">
				<div class="elementor-element elementor-element-25caa33 e-flex e-con-boxed e-con e-parent" data-id="25caa33" data-element_type="container" data-e-type="container">
					<div class="e-con-inner">
				<div class="elementor-element elementor-element-52fcf7a8 elementor-widget elementor-widget-text-editor" data-id="52fcf7a8" data-element_type="widget" data-e-type="widget" data-widget_type="text-editor.default">
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<div style="max-width: 1100px; margin: 2rem auto; font-family: Arial,sans-serif; font-size: 15px; line-height: 1.6; box-shadow: 0 6px 18px rgba(0,0,0,0.06); border-radius: 8px; overflow: hidden;"><!-- Bandeau Titre -->
<div style="background: #8c104f; padding: 2rem 1.5rem; text-align: center;">
<div style="color: #ffffff !important; font-size: 22px; letter-spacing: 0.5px; text-transform: uppercase; font-weight: bold;">ANALYSE DE MAILS MALVEILLANTS ET SÉCURISATION</div>
</div>
<!-- Bloc contenu -->
<div style="background: #f7f9fc; padding: 1.8rem; border-left: 4px solid #8c104f;"><!-- Public concerné -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">BTS Services Informatiques aux Organisations</div>
</div>
<!-- Matière -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Bloc 3 SISR – Cybersécurité des services informatiques</div>
</div>
<!-- Présentation -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Il s’agit d’apprendre à analyser l’en-tête puis le corps d’un courriel via l’utilisation d’outils spécifiques. Les courriels suspects feront l’objet d’une analyse de type bac à sable. Les attaques de type hameçonnage (phishing) seront présentées et les contre-mesures correspondantes abordées. <br /><br /><strong>Objectifs :</strong>
<ul>
<li>Comprendre la structure d’un courriel et les protocoles d’envoi et de réception ;</li>
<li>Analyser un courriel suspect (en-tête, corps, pièces jointes, liens) ;</li>
<li>Manipuler des outils d’analyse en ligne ;</li>
<li>Tester une analyse en environnement sécurisé (bac à sable) ;</li>
<li>Comprendre les contre-mesures (SPF, DKIM, DMARC…).</li>
</ul>
</div>
</div>
<!-- Savoirs -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Typologie des risques et leurs impacts.<br />Cybersécurité : bonnes pratiques, normes et standards.</div>
</div>
<!-- Compétences -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;"><strong>Assurer la cybersécurité d’une infrastructure réseau, d’un système, d’un service :</strong>
<ul>
<li>Détecter les actions malveillantes</li>
<li>Analyser les incidents de sécurité et mettre en œuvre des contre-mesures</li>
</ul>
<strong>Préserver l’identité numérique de l’organisation :</strong>
<ul>
<li>Protéger l’identité numérique d’une organisation</li>
<li>Déployer les moyens appropriés de preuve électronique</li>
</ul>
</div>
</div>
<!-- Pré-requis -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Connaissances de base de l’outil Wireshark.</div>
</div>
<!-- Outils -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Wireshark, Thunderbird, app.any.run et autres outils d’analyse en ligne.<br />Les ressources (mails et fichiers PCAP) sont fournies dans le dossier « CapturesPCAP_et_Mails ».</div>
</div>
<!-- Durée -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">4 heures</div>
</div>
<!-- Prolongements -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Prolongements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f517.png" alt="🔗" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Cette activité peut être prolongée par la mise en œuvre d’une infrastructure de messagerie sécurisée permettant d’appliquer concrètement les mécanismes étudiés (SPF, DKIM, DMARC, authentification et chiffrement des échanges).<br /><br />
<div style="margin: 0.5rem 0;"><a style="display: inline-block; background: #8c104f; color: #ffffff; padding: 10px 18px; font-weight: 600; text-decoration: none; border-radius: 6px; box-shadow: 0 3px 10px rgba(0,0,0,0.15);" href="https://www.reseaucerta.org/messagerie-securisee-interne/" target="_blank" rel="noopener"> Découvrir la production « Messagerie sécurisée interne » </a></div>
</div>
</div>
éléchargements &#8211;&gt;
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Fichier élève : <br /><a href="https://www.reseaucerta.org/wp-content/uploads/cours/Analyse_courriels_malveillants.pdf" target="_blank" rel="noopener">Analyse_courriels_malveillants.pdf</a><br /><a href="https://www.reseaucerta.org/wp-content/uploads/cours/Analyse_Mails_Malveillants.zip">Analyse_Mails_Malveillants.zip</a><br />Fichier professeur : <a href="https://www.reseaucerta.org/wp-content/uploads/cours/private/Analyse_Mails_Malveillants_cor.zip">Analyse_Mails_Malveillants_cor.zip <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f512.png" alt="🔒" class="wp-smiley" style="height: 1em; max-height: 1em;" /></a></div>
</div>
<!-- Mots-clés -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Mots-clés ﹟</div>
<div style="flex: 1;">Mail, courriel, e-mail, phishing, hameçonnage, usurpation d’identité, SPF, DKIM, DMARC</div>
</div>
<!-- Auteur.e(s) -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Patrice Dignan avec les relectures et tests de Apollonie Raffalli et Yann Barrot</div>
</div>
<!-- Version -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0; border-bottom: 1px solid #eee;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f504.png" alt="🔄" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">v1.0</div>
</div>
<!-- Date -->
<div style="display: flex; flex-wrap: wrap; padding: 0.8rem 0;">
<div style="flex: 0 0 210px; font-weight: 600; text-transform: uppercase; font-size: 13px; color: #8c104f;">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></div>
<div style="flex: 1;">Février 2026</div>
</div>
</div>
</div>
								</div>
				</div>
					</div>
				</div>
				</div>
		]]></content:encoded>
					
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			</item>
		<item>
		<title>Simulation du fonctionnement d’un rançongiciel (ransomware) avec PSRansom</title>
		<link>https://www.reseaucerta.org/simulation-du-fonctionnement-dun-rancongiciel-ransomware-avec-psransom/</link>
					<comments>https://www.reseaucerta.org/simulation-du-fonctionnement-dun-rancongiciel-ransomware-avec-psransom/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Thu, 04 Dec 2025 13:19:22 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[chiffrement]]></category>
		<category><![CDATA[exfiltration de données]]></category>
		<category><![CDATA[rançongiciel]]></category>
		<category><![CDATA[ransomware]]></category>
		<category><![CDATA[serveur de commandes et de contrôle]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=9711</guid>

					<description><![CDATA[Simulation du fonctionnement d’un rançongiciel (ransomware) avec PSRansom : chiffrement d’un dossier et exfiltration]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="9711" class="elementor elementor-9711">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">SIMULATION DU FONCTIONNEMENT D’UN RANÇONGICIEL (RANSOMWARE) AVEC PSRANSOM</h2>				</div>
				</div>
				</div>
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
				</div>
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				<div class="elementor-widget-container">
									<p>BTS SIO</p>								</div>
				</div>
				</div>
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				<div class="elementor-element elementor-element-18e9d8f0 elementor-widget elementor-widget-heading" data-id="18e9d8f0" data-element_type="widget" data-e-type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
				</div>
				</div>
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				<div class="elementor-element elementor-element-55dfa6e0 elementor-widget elementor-widget-text-editor" data-id="55dfa6e0" data-element_type="widget" data-e-type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p class="Textbody">Bloc 3 Commun – Cybersécurité des services informatiques</p>								</div>
				</div>
				</div>
				</div>
		<div class="elementor-element elementor-element-5943ab12 e-con-full e-flex e-con e-child" data-id="5943ab12" data-element_type="container" data-e-type="container" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
				</div>
				</div>
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									<p>L’objectif est de simuler le fonctionnement d’un rançongiciel via l’outil de simulation PSRansom, un outil basé sur deux scripts PowerShell.</p><p>Cette production reprend la démonstration par Hassana TEMBELY sur le site <a href="https://www.it-connect.fr/">Itconnect</a>, et la complète  par une documentation détaillée destinée à un usage d’enseignement et d’expérimentation contrôlée.</p><p>Licence : <a href="https://www.it-connect.fr/puis-je-reutiliser-le-contenu-publie-sur-it-connect/">Creative Commons BY-NC 4.0</a></p><p>Source : <a href="https://www.it-connect.fr/demo-ransomware-psransom-chiffrer-donnees/">https://www.it-connect.fr/demo-ransomware-psransom-chiffrer-donnees/</a>.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Manipulations de base sur Windows 11 et Linux.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Objectifs et fonctionnement d&rsquo;un rançongiciel</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong>Sécuriser les équipements et les usages des utilisateurs</strong></p><ul><li>Identifier les menaces et mettre en œuvre les défenses appropriées</li></ul><p><strong>Assurer la cybersécurité d’une infrastructure réseau, d’un système, d’un service</strong></p><ul><li>Analyser les incidents de sécurité, proposer et mettre en œuvre des contre-mesures</li></ul>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Une machine sur Windows 11 et une machine sur Linux.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><a href="https://www.reseaucerta.org/wp-content/uploads/Labo_Simulation_Rancongiciel.pdf">Labo_Simulation_Rancongiciel.pdf</a></p><p><a href="https://www.reseaucerta.org/wp-content/uploads/Labo_Simulation_Rancongiciel.zip">Labo_Simulation_Rancongiciel.zip</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									<p>Rançongiciel, Ransomware, Exfiltration de donnés, Serveur de commandes et de contrôle, Chiffrement</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Novembre 2025</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>David Duron avec la relecture, les tests et les suggestions d’Apollonie Raffalli</p>								</div>
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		<title>Délégation de droits avec l’outil SUDO tentative de contournement de la politique de sécurité</title>
		<link>https://www.reseaucerta.org/delegation-de-droits-avec-loutil-sudo-tentative-de-contournement-de-la-politique-de-securite/</link>
					<comments>https://www.reseaucerta.org/delegation-de-droits-avec-loutil-sudo-tentative-de-contournement-de-la-politique-de-securite/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Thu, 04 Dec 2025 13:00:13 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[audit de l'utilisation de commandes]]></category>
		<category><![CDATA[élévation de privilèges]]></category>
		<category><![CDATA[principe du moindre privilège]]></category>
		<category><![CDATA[sudo]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=9700</guid>

					<description><![CDATA[Un labo pour comprendre et manipuler l'outil sudo, déléguer des permissions et expérimenter les risques.]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="9700" class="elementor elementor-9700">
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					<h2 class="elementor-heading-title elementor-size-default">DELEGATION DE DROITS AVEC L’OUTIL SUDO TENTATIVE DE CONTOURNEMENT DE LA POLITIQUE DE SECURITE</h2>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>BTS SIO</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p class="Textbody">Bloc 3 Commun – Cybersécurité des services informatiques</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>L’objectif de côté Labo est de :</p><ul><li>Comprendre et manipuler l’outil sudo pour gérer les permissions.</li><li>Modifier le fichier sudoers de manière sécurisée.</li><li>Déléguer des permissions spécifiques à un utilisateur.</li><li>Expérimenter les risques liés à une mauvaise configuration.</li></ul>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Connaissances de base sur Linux.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Sécurité des terminaux utilisateurs et de leurs données : principes et outils.</p><p>Gestion des droits d’accès aux données : principes et techniques.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									<p><strong>Sécuriser les équipements et les usages des utilisateurs</strong></p><ul><li>Gérer les accès et les privilèges appropriés</li><li>Vérifier l’efficacité de la protection</li></ul><p><strong>Assurer la cybersécurité d’une infrastructure réseau, d’un système, d’un service</strong></p><ul><li>Prévenir les attaques</li><li>Analyser les incidents de sécurité, proposer et mettre en œuvre des contre-mesures</li></ul>								</div>
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									<p>Machine sur Linux avec l’outil « sudo »</p>								</div>
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									<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/delegation_droits_sudo-1.pdf" target="_blank" rel="noopener">delegation_droits_sudo-1.pdf</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/delegation_droits_sudo.zip" target="_blank" rel="noopener">delegation_droits_sudo.zip</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Corrigé <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/delegation_droits_sudo_cor.zip" target="_blank" rel="noopener">delegation_droits_sudo_cor.zip</a></strong></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									<p>sudo, élévation de privilèges, principe du moindre privilège, audit de l&rsquo;utilisation de commandes</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>4 heures</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Novembre 2025</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>David Duron avec la relecture, les tests et les suggestions d’Apollonie Raffalli</p>								</div>
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		<item>
		<title>SÉCURISATION DES PROTOCOLES RÉSEAUX &#8211; Activité 1 : Évaluer ma sécurité des protocoles POP et SSH</title>
		<link>https://www.reseaucerta.org/securisation-des-protocoles-reseaux-activite-1/</link>
					<comments>https://www.reseaucerta.org/securisation-des-protocoles-reseaux-activite-1/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Thu, 04 Dec 2025 09:15:07 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[containers LXC]]></category>
		<category><![CDATA[POP]]></category>
		<category><![CDATA[PROXMOX]]></category>
		<category><![CDATA[SSH]]></category>
		<category><![CDATA[vulnérabilités]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=9686</guid>

					<description><![CDATA[Sécurisation des protocoles réseaux - Évaluation de la sécurité des
protocoles POP et SSH]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="9686" class="elementor elementor-9686">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Sécurisation des protocoles réseaux - Évaluation de la sécurité des
protocoles POP et SSH</h2>				</div>
				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>BTS SIO</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									<p>Bloc 3 SISR –  Cybersécurité des services informatiques</p>								</div>
				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-element elementor-element-6b40372d elementor-widget elementor-widget-text-editor" data-id="6b40372d" data-element_type="widget" data-e-type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Ce labo a pour objectifs de maîtriser les techniques de base de reconnaissance réseau, tout en comprenant les vulnérabilités liées aux services mal sécurisés. Les participants apprendront à appréhender les risques associés aux mots de passe faibles et mettront en pratique des outils de sécurité offensive. Enfin, il soulignera l’importance des bonnes pratiques de sécurité pour renforcer la protection des systèmes informatiques.</p><p>Cette <strong>première activité</strong> aborde les enjeux associés aux protocoles POP (pour la messagerie) et SSH (pour l’accès distant sécurisé).</p>								</div>
				</div>
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				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Pré-requis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Commandes de base d’administration d’un système <em>Linux.</em></p>								</div>
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									<p>Principes de la sécurité : disponibilité, intégrité, confidentialité, preuve.</p><p>Sécurité des communications numériques : rôle des protocoles, segmentation, administration, restriction.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<ul><li>Sécuriser les équipements et les usages des utilisateurs ;<ul><li>Identifier les menaces et mettre en œuvre les défenses appropriées ;</li><li>Gérer les accès et les privilèges appropriés.</li></ul></li><li>Garantir la disponibilité, l’intégrité et la confidentialité des services informatiques et des données de l’organisation face à des cyberattaques.<ul><li>Caractériser les risques liés à l’utilisation malveillante d’un service informatique.</li></ul></li><li>Recenser les conséquences d’une perte de disponibilité, d’intégrité ou de confidentialité.</li></ul>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Le logiciel Proxmox (version 8 ou 9), une machine Kali Linux et une machine Debian 12/13 disposant d’un accès à internet.</p><p>Les scripts sont disponibles sur la forge du réseau Certa :</p><p><a href="https://forge.apps.education.fr/reseau-certa/bts-sio/activites-ctf">https://forge.apps.education.fr/reseau-certa/bts-sio/activites-ctf</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/Activite1-CTF1.pdf" target="_blank" rel="noopener">Activite1-CTF1.pdf</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/Activites_CTF1.zip" target="_blank" rel="noopener">Activites_CTF1.zip</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Corrigé <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/Activites_CTF1_cor.zip" target="_blank" rel="noopener">Activites_CTF1_cor.zip</a></strong></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									<p>PROXMOX, containers LXC, vulnérabilités, POP, SSH</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>2 heures</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Novembre 2025</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Damien SCONTRINO, avec la relecture, les tests et les suggestions de Patrice DIGNAN et Apollonie RAFFALLI</p>								</div>
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		<title>OWASP &#8211; Activité 9: Sécurisation des applications Web Vulnérabilités</title>
		<link>https://www.reseaucerta.org/owasp-activite-9-securisation-des-applications-web-vulnerabilites/</link>
					<comments>https://www.reseaucerta.org/owasp-activite-9-securisation-des-applications-web-vulnerabilites/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Thu, 19 Jun 2025 15:37:00 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SLAM]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[authentification]]></category>
		<category><![CDATA[BurpSuite]]></category>
		<category><![CDATA[identification]]></category>
		<category><![CDATA[OWASP]]></category>
		<category><![CDATA[sniper]]></category>
		<category><![CDATA[vulnérabilités]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=9566</guid>

					<description><![CDATA[Exploitation d'une plateforme d'apprentissage des vulnérabilités des applications Web.]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="9566" class="elementor elementor-9566">
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					<h2 class="elementor-heading-title elementor-size-default">Exploitation d'une plateforme d'apprentissage des vulnérabilités des applications Web</h2>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné </h4>				</div>
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									<div class=""><table border="0" width="100%" cellpadding="5"><tbody><tr><td class="reglageContenu">BTS SIO</td></tr></tbody></table></div><div class=""> </div>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière</h4>				</div>
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									<p>Bloc 3 &#8211; Cybersécurité des services informatiques &#8211; SLAM</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation </h4>				</div>
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									<p>Ce Côté labo a pour objectif d&rsquo;exploiter la plateforme d&rsquo;apprentissage Portswigger.net du groupe OWASP (OpenWeb Application Security Project) afin de se familiariser avec les principales vulnérabilités des applications Web.</p><p>Chaque activité couvre une problématique spécifique (SQLi, XSS, CSRF…) en référence au top 10 des vulnérabilités décrites par l&rsquo;OWASP.</p><p>Dans un premier temps, l&rsquo;étudiant doit comprendre le mécanisme des attaques.</p><p>Dans un deuxième temps, l’objectif est de réaliser des défis à travers des manipulations pratiques.</p><p>Cette neuvième activité concerne les problématiques liées à l&rsquo;identification et l&rsquo;authentification sur u:ne application web. Cette vulnérabilité est classée n°7 dans la classement OWASP 2021.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Pré-requis</h4>				</div>
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									<p>Administration d’un système Linux.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Sécurité des applications web : risques, menaces et protocoles.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences</h4>				</div>
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									<ul><li>Protéger les données à caractère personnel ;<ul><li>Identifier les risques liés à la collecte, au traitement, au stockage et à la diffusion de données à caractère personnel.</li></ul></li><li>Garantir la disponibilité, l’intégrité et la confidentialité des services informatiques et des données de l’organisation face à des cyberattaques.<ul><li>Caractériser les risques liés à l’utilisation malveillante d’un service informatique ;</li></ul></li></ul><p>Recenser les conséquences d’une perte de disponibilité, d’intégrité ou de confidentialité.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Une machine Kali Linux disposant d&rsquo;un accès à internet et du logiciel BurpSuite (disponible sous Windows).</p><p>Sites officiels : <a href="https://www.owasp.org/" target="_blank" rel="noopener">https://www.owasp.org</a> et <a href="https://portswigger.net/burp/communitydownload" target="_blank" rel="noopener">https://portswigger.net/burp/communitydownload</a></p>								</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/owasp_activite_9_authentification.pdf">owasp_activite_9_authentification</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/owasp_activite_9_authentificationcorrection.pdf">owasp_activite_9_authentificationcorrection</a></strong></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									<p>OWASP, vulnérabilités, identification, authentification, BurpSuite, sniper</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication</h4>				</div>
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									<p>19 Juin 2025</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s)</h4>				</div>
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									<p>Patrice Dignan, avec la relecture, les tests et les suggestions de Hervé Le Guern.</p>								</div>
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		<title>Déploiement d&#8217;un SIEM-XDR avec Wazuh</title>
		<link>https://www.reseaucerta.org/deploiement-dun-siem-xdr-avec-wazuh/</link>
					<comments>https://www.reseaucerta.org/deploiement-dun-siem-xdr-avec-wazuh/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Sun, 30 Mar 2025 11:52:53 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[EDR]]></category>
		<category><![CDATA[HIDS]]></category>
		<category><![CDATA[HIPS Wazuh]]></category>
		<category><![CDATA[SIEM]]></category>
		<category><![CDATA[XDR]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=9231</guid>

					<description><![CDATA[Déploiement d’un SIEM-XDR avec Wazuh Public concerné BTS SIO Matière Bloc 3 &#8211; Cybersécurité des services informatiques &#8211; SISR Présentation L’objectif de ce « Labo » est de comprendre l’intérêt d’un SIEM-XDR et d’en tester les principaux usages (détecter les vulnérabilités des serveurs, répondre aux menaces). La solution Wazuh sera étudiée dans cette proposition mais les fonctionnalités [&#8230;]]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="9231" class="elementor elementor-9231">
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					<h2 class="elementor-heading-title elementor-size-default">Déploiement d’un SIEM-XDR avec Wazuh</h2>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné </h4>				</div>
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									<p>BTS SIO</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière</h4>				</div>
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									<p>Bloc 3 &#8211; Cybersécurité des services informatiques &#8211; SISR</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation </h4>				</div>
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									<p>L’objectif de ce « Labo » est de comprendre l’intérêt d’un SIEM-XDR et d’en tester les principaux usages (détecter les vulnérabilités des serveurs, répondre aux menaces).</p><p>La solution Wazuh sera étudiée dans cette proposition mais les fonctionnalités présentées sont disponibles dans d’autres solutions SIEM.</p><p>Ce « Labo » comporte <strong>3 activités </strong>qui peuvent être réalisées en bloc3 SISR :</p><ul><li><strong>Activité 1</strong> : Installation dU SIEM WAZUH et des agents</li><li><strong>Activité 2</strong> : évaluation des configurations et chasse aux menaces</li><li><strong>Activité 3</strong> : réponse aux menaces</li></ul><p><strong>D’autres activités</strong> (comme la gestion des faux positifs, l’intégration des éléments d’interconnexion sans agents, etc.) seront intégrées ultérieurement.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Pré-requis</h4>				</div>
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									<p>Commandes de base d’administration d’un système Linux. Notions de virtualisation voire de conteneurisation (si installation via Docker Compose).</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Outils de sécurité : prévention et détection des attaques, gestion d’incidents.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences</h4>				</div>
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									<p><strong>3.3 Sécuriser les équipements et les usages des utilisateurs</strong></p><ul><li>Identifier les menaces et mettre en œuvre les défenses appropriées</li><li>Vérifier l’efficacité de la protection</li></ul><p><strong>3.4 Garantir la disponibilité, l’intégrité et la confidentialité des services informatiques et des données de l’organisation face à des cyberattaques</strong></p><ul><li>Organiser la collecte et la conservation des preuves numériques</li></ul>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Un serveur physique ou virtuel sous une distribution Linux 64 bits (ici Debian 12 – version stable actuelle ou Ubuntu serveur) sur lequel Wazuh sera installé avec un serveur.</p><p>Un serveur physique ou virtuel sous Linux avec le service DHCP</p><p>Un serveur physique ou virtuel sous un environnement Windows Serveur avec Active Directory installé.</p><p>Une machine physique ou virtuelle Kali.</p><p>Site officiel : <a class="western" href="https://wazuh.com/">https://wazuh.com/</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/siemwazuhcontexte.pdf" target="_blank" rel="noopener">siem wazuh contexte</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/deploiementsiem-xdr-wazuh.zip">deploiementsiem-xdr-wazuh</a></strong></p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f512.png" alt="🔒" class="wp-smiley" style="height: 1em; max-height: 1em;" /> <a href="https://www.reseaucerta.org/wp-content/uploads/laboratoires/private/deploiementsiem-xdr-wazuh_cor.zip">deploiementsiem-xdr-wazuh_cor</a></strong></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									<p>SIEM, XDR, EDR, HIDS, HIPS Wazuh</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication</h4>				</div>
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									<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s)</h4>				</div>
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									<p>David BALNY avec Apollonie RAFFALLI comme testeuse et relectrice.</p>								</div>
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		<title>MOOC &#8211; MICROSOFT CYBER SÉCURITÉ DEFENSIVE</title>
		<link>https://www.reseaucerta.org/mooc-microsoft-cyber-scurit-defensive/</link>
					<comments>https://www.reseaucerta.org/mooc-microsoft-cyber-scurit-defensive/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Wed, 19 Feb 2025 17:27:00 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[Active Directory]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[GPO]]></category>
		<category><![CDATA[OU]]></category>
		<category><![CDATA[PSO]]></category>
		<category><![CDATA[RBAC]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=2129</guid>

					<description><![CDATA[L'objectif de ces "Labo" est de comprendre le fonctionnement et la mise en place de la sécurité au sein d'un environnement Microsoft. Ce "Labo" est divisé en deux grandes parties: Sécurité Windows (WS) et Sécurité des Identités Hybrides (HIS). • HIS : Activité 1 : Les services d'annuaires Active ...]]></description>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="2129" class="elementor elementor-2129">
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					<h1 class="elementor-heading-title elementor-size-default">MOOC Microsoft Cyber Sécurité Defensive. Deux grands module un sur les fondamentaux de la sécurité au sein de Windows et le second sur la gestion des identités hybrides.</h1>				</div>
				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									BTS Services Informatiques aux Organisations								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Bloc 3 &#8211; Cybersécurité des services informatiques &#8211; SISR</p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>L&rsquo;objectif de ces « Labo » est de comprendre le fonctionnement et la mise en place de la sécurité au sein d&rsquo;un environnement Microsoft. Ce « Labo » est divisé en deux grandes parties: Sécurité Windows (WS) et Sécurité des Identités Hybrides (HIS).</p>

<ul>
	<li>HIS : Activité 1 : <a href="/sites/default/files/mooc_microsoft/des_M1_Lab1.pdf" target="_blank">Les services d&rsquo;annuaires Active Directory</a></li>
	<li>HIS : Activité 2 : <a href="/sites/default/files/mooc_microsoft/des_M1_Lab2.pdf" target="_blank">Extension vers le Cloud Azure AD</a></li>
	<li>HIS : Activité 3 : <a href="/sites/default/files/mooc_microsoft/des_M2_Lab1.pdf" target="_blank">Action de reconnaissance</a></li>
	<li>HIS : Activité 4 : <a href="/sites/default/files/mooc_microsoft/des_M2_Lab2.pdf" target="_blank">Compromission des credentials</a></li>
	<li>HIS : Activité 5 : <a href="/sites/default/files/mooc_microsoft/des_M2_Lab3.pdf" target="_blank">Mouvement Latéral</a></li>
	<li>HIS : Activité 6 : <a href="/sites/default/files/mooc_microsoft/des_M2_Lab4.pdf" target="_blank">Persistance</a></li>
	<li>HIS : Activité 7 : <a href="/sites/default/files/mooc_microsoft/des_M3_Lab1.pdf" target="_blank">La gestion sécurisée des identités hybride partie 1</a></li>
	<li>HIS : Activité 8 : <a href="/sites/default/files/mooc_microsoft/des_M3_Lab2.pdf" target="_blank">La gestion sécurisée des identités hybride partie 2</a></li>
	<li>WS : Activité 1 : <a href="/sites/default/files/mooc_microsoft/WS_des_M1_Lab1.pdf" target="_blank">Les Services d&rsquo;authentifications</a></li>
	<li>WS : Activité 2 : <a href="/sites/default/files/mooc_microsoft/WS_des_M1_Lab2.pdf" target="_blank">Contrôle d&rsquo;accès</a></li>
	<li>WS : Activité 3 : <a href="/sites/default/files/mooc_microsoft/WS_des_M1_Lab3.pdf" target="_blank">Configurer les audits</a></li>
	<li>WS : Activité 4 : <a href="/sites/default/files/mooc_microsoft/WS_des_M1_Lab4.pdf" target="_blank">Cryptographie</a></li>
	<li>WS : Activité 5 : <a href="/sites/default/files/mooc_microsoft/WS_des_M2_Lab1.pdf" target="_blank">Windows Corruption</a></li>
	<li>WS : Activité 6 : <a href="/sites/default/files/mooc_microsoft/WS_des_M2_Lab2.pdf" target="_blank">Vulnérabilités applicatives</a></li>
</ul>
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Prérequis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									Connaissances TCP/IP, Active Directory, Virtualisation								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>B2A.2.1 Installer et configurer des éléments d&rsquo;infrastructure</p>

<p>B2A.2.5 Tester l&rsquo;intégration et l&rsquo;acceptation d&rsquo;une solution</p>

<p>B2A.2.6 Déployer une solution d&rsquo;infrastructure</p>

<p>B3.3.4 Vérifier l&rsquo;efficacité de la protection</p>

<p>B3.5A Assurer la cybersécurité d&rsquo;un système d&rsquo;un service</p>
								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>VirtualBox ou VMware Workstation pro &#8211; Hyper-V</p>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f3a5.png" alt="🎥" class="wp-smiley" style="height: 1em; max-height: 1em;" /> MOOC Microsoft Cyber Sécurité B3 SIO</strong><br /><a href="https://podeduc.apps.education.fr/video/76238-mooc-microsoft-cyber-securite-b3-sio-ressource-certa/" target="_blank" rel="noopener">https://podeduc.apps.education.fr/video/76238-mooc-microsoft-cyber-securite-b3-sio-ressource-certa/</a></p>								</div>
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							<div class="elementor-shortcode"><div style="padding:20px;background:#f5f5f5;border-left:4px solid #0073aa;margin:15px 0;">Ce contenu est réservé aux utilisateurs connectés.</div></div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									Active Directory, GPO, DNS, PSO,OU ,RBAC								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4dd.png" alt="📝" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									V1.0								</div>
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									19/02/2025								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									Jérôme Bezet-Torres &#8211; Arnaud Jumelet &#8211; Equipe Microsoft								</div>
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		]]></content:encoded>
					
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			</item>
		<item>
		<title>Sécurisation d&#8217;un commutateur Cisco</title>
		<link>https://www.reseaucerta.org/scurisation-dun-commutateur-cisco/</link>
					<comments>https://www.reseaucerta.org/scurisation-dun-commutateur-cisco/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Mon, 23 Dec 2024 08:47:58 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[Attaques]]></category>
		<category><![CDATA[commutateur]]></category>
		<category><![CDATA[IOS]]></category>
		<category><![CDATA[Kali]]></category>
		<category><![CDATA[port security]]></category>
		<category><![CDATA[sécurisation]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=2000</guid>

					<description><![CDATA[Ce côté labo lié au bloc 3 cybersécurité spécialité SISR a pour but d’appliquer les préconisations de sécurité concernant la configuration d’un commutateur (ici de la marque Cisco modèle Catalyst 2960). A partir de la mission D, l’apprenant va simuler des attaques sur son infrastructure et appren...]]></description>
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					<h1 class="elementor-heading-title elementor-size-default">Sécuriser un commutateur Cisco Catalyst 2960 contre diverses attaques</h1>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									BTS Services Informatiques aux Organisations								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									Bloc 2 SISR – Administration des systèmes et des réseaux								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									<p>Ce côté labo lié au bloc 3 cybersécurité spécialité SISR a pour but d’appliquer les préconisations de sécurité concernant la configuration d’un commutateur (ici de la marque Cisco modèle Catalyst 2960). A partir de la mission D, l’apprenant va simuler des attaques sur son infrastructure et apprendre à les parer/freiner par l’intermédiaire d’un commutateur.</p>
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					<h4 class="elementor-heading-title elementor-size-default">Prérequis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									VLAN, maitrise du CLI IOS Cisco, configuration de base d’un commutateur Cisco, principes d’attaques par saturation d’une table MAC, attaques DHCP par famine ou usurpation du serveur								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									<ul>
	<li>Installer et configurer des éléments d’infrastructure (Bloc 2 SISR)</li>
	<li>Installer et configurer des éléments nécessaires pour assurer la continuité des services (Bloc 2 SISR)</li>
	<li>Tester l’intégration et l’acceptation d’une solution d’infrastructure (Bloc 2 SISR)</li>
	<li>Administrer sur site et à distance des éléments d’une infrastructure (Bloc 2 SISR)</li>
	<li>Prendre en compte la sécurité dans un projet de mise en en œuvre d’une solution d’infrastructure (Bloc 3 SISR)</li>
	<li>Mettre en œuvre et vérifier la conformité d’une infrastructure à un référentiel, une norme ou un standard de sécurité (Bloc 3 SISR)</li>
	<li>Prévenir les attaques (Bloc 3 SISR)</li>
	<li>Analyser les incidents de sécurité, proposer et mettre en œuvre des contre-mesures (Bloc 3 SISR)</li>
</ul>
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									<p>Logiciels PuTTY et Tftpd64, distribution Kali (macof et yersinia)</p>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> tp_securisation_commutateur_2960_cisco_v7_appr.docx</strong><br>Fichier libre &#8211; <a href="/wp-content/uploads/laboratoires/tp_securisation_commutateur_2960_cisco_v7_appr.docx" target="_blank">Télécharger</a> (456.43 KB)</p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> tp_securisation_commutateur_2960_cisco_v7_prof.docx</strong><br>Corrigé disponible &#8211; <a href="/wp-content/uploads/laboratoires/private/tp_securisation_commutateur_2960_cisco_v7_prof.docx" target="_blank">Télécharger</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									Attaques, commutateur, Kali, IOS, sécurisation, port security								</div>
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									23/12/2024								</div>
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									Laurent Perrin avec les précieux conseils et les nombreuses relectures de Valérie Martinez et Quentin Demoulière								</div>
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