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	<title>Archives des résilience des systèmes - Catalyst Blue Phenix</title>
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		<title>La Sûreté de fonctionnement, l&#8217;enjeu de la cybersécurité</title>
		<link>https://beta.catalystbluephenix.com/la-surete-de-fonctionnement-lenjeu-de-la-cybersecurite/</link>
					<comments>https://beta.catalystbluephenix.com/la-surete-de-fonctionnement-lenjeu-de-la-cybersecurite/#respond</comments>
		
		<dc:creator><![CDATA[Ian Revault D'Allonnes]]></dc:creator>
		<pubDate>Tue, 11 Feb 2025 14:20:15 +0000</pubDate>
				<category><![CDATA[IT Pro]]></category>
		<category><![CDATA[Tech]]></category>
		<category><![CDATA[chiffrement des données]]></category>
		<category><![CDATA[DREAD]]></category>
		<category><![CDATA[EBIOS]]></category>
		<category><![CDATA[infrastructure critique]]></category>
		<category><![CDATA[MFA]]></category>
		<category><![CDATA[monitoring]]></category>
		<category><![CDATA[protection des données]]></category>
		<category><![CDATA[redondance système]]></category>
		<category><![CDATA[résilience des systèmes]]></category>
		<category><![CDATA[sécurité informatique]]></category>
		<category><![CDATA[STRIDE]]></category>
		<category><![CDATA[tokenisation]]></category>
		<guid isPermaLink="false">https://beta.catalystbluephenix.com/?p=2501</guid>

					<description><![CDATA[<p>Written by Ian Revault D&#8217;Allonnes IT Pro Tech La sûreté de Fonctionnement,l&#8217;enjeude la cybersécurité La Sûreté de FonctionnementenInformatique : Une Approche Systémique de la Sécurité Dans un contexte où les systèmes d’information deviennent toujours plus critiques pour les organisations, la sûreté de fonctionnement (SdF) en informatique s’impose comme une discipline fondamentale. Bien au-delà d’une simple [&#8230;]</p>
<p>L’article <a href="https://beta.catalystbluephenix.com/la-surete-de-fonctionnement-lenjeu-de-la-cybersecurite/">La Sûreté de fonctionnement, l&rsquo;enjeu de la cybersécurité</a> est apparu en premier sur <a href="https://beta.catalystbluephenix.com">Catalyst Blue Phenix</a>.</p>
]]></description>
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					<div class="wdt-heading-holder " id="wdt-heading-b693df1"><h2 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">La sûreté de <span class="wdt-heading-colored-elements">Fonctionnement,</span><span class="wdt-heading-colored-elements">l'enjeu</span>de la cybersécurité</span></h2></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-20e20df"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">La Sûreté de <span class="wdt-heading-colored-elements">Fonctionnement</span><span class="wdt-heading-colored-elements">en</span>Informatique : Une Approche Systémique de la Sécurité</span></h4></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-a4a0fbf"><div class="wdt-heading-content-wrapper">Dans un contexte où les systèmes d’information deviennent toujours plus critiques pour les organisations, la sûreté de fonctionnement (SdF) en informatique s’impose comme une discipline fondamentale. Bien au-delà d’une simple approche de la sécurité, elle constitue un paradigme complet visant à garantir la fiabilité et la résilience des systèmes informatiques.</div></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-85ff6c0"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Fondamentaux et Enjeux</span></h4></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-30d2da2"><div class="wdt-heading-content-wrapper">La SdF repose sur quatre piliers fondamentaux qui forment l’acronyme DISC :</div></div>				</div>
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							<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Disponibilité (Availability) : Le système doit être opérationnel quand on en a besoin, avec un taux de disponibilité défini contractuellement (généralement exprimé en pourcentage, par exemple 99,999% pour les systèmes hautement critiques).</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Intégrité (Integrity) : Les données et les traitements doivent être exactes et non altérées, que ce soit accidentellement ou malicieusement.</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Sécurité (Security) : Protection contre les menaces intentionnelles et les attaques ciblées.</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Confidentialité (Confidentiality) : Garantie que seules les entités autorisées peuvent accéder aux ressources.</span>
									</li>
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					<div class="wdt-heading-holder " id="wdt-heading-0db0191"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Méthodologie d’Implémentation</span></h4></div>				</div>
				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-491d5fe"><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Analyse des Menaces <span class="wdt-heading-colored-elements">et</span><span class="wdt-heading-colored-elements">Modélisation</span>des Risques</span></h5></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-a43a39c"><div class="wdt-heading-content-wrapper">L’approche moderne de la SdF commence par une analyse approfondie utilisant des méthodologies standardisées :</div></div>				</div>
				</div>
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											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">EBIOS Risk Manager pour l’analyse des risques</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">STRIDE pour la modélisation des menaces</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">DREAD pour la quantification des risques</span>
									</li>
						</ul>
						</div>
				</div>
				<div class="elementor-element elementor-element-4a1f3a4 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="4a1f3a4" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-4a1f3a4"><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Architecture de Sécurité <span class="wdt-heading-colored-elements">en</span><span class="wdt-heading-colored-elements">Profondeur</span></span></h5></div>				</div>
				</div>
				<div class="elementor-element elementor-element-789f59f elementor-widget elementor-widget-wdt-heading" data-id="789f59f" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-789f59f"><div class="wdt-heading-content-wrapper">La mise en œuvre d’une stratégie de défense en profondeur implique plusieurs niveaux :

</div></div>				</div>
				</div>
				<div class="elementor-element elementor-element-b3023f0 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="b3023f0" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-b3023f0"><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Mesures Techniques Spécifiques</span></h5></div>				</div>
				</div>
				<div class="elementor-element elementor-element-bc034ce elementor-widget elementor-widget-wdt-heading" data-id="bc034ce" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-bc034ce"><div class="wdt-heading-content-wrapper">Redondance et Haute Disponibilité
</div></div>				</div>
				</div>
				<div class="elementor-element elementor-element-9b9b472 common-list-style elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list" data-id="9b9b472" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="icon-list.default">
				<div class="elementor-widget-container">
							<ul class="elementor-icon-list-items">
							<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Mise en place de clusters actif-actif ou actif-passif</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Réplication synchrone ou asynchrone des données</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Load balancing avec health checks</span>
									</li>
						</ul>
						</div>
				</div>
				<div class="elementor-element elementor-element-93b8876 elementor-widget elementor-widget-wdt-heading" data-id="93b8876" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-93b8876"><div class="wdt-heading-content-wrapper">Intégrité des Données</div></div>				</div>
				</div>
				<div class="elementor-element elementor-element-dcb9e5a common-list-style elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list" data-id="dcb9e5a" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="icon-list.default">
				<div class="elementor-widget-container">
							<ul class="elementor-icon-list-items">
							<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Utilisation de checksums cryptographiques</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Journalisation immuable (append-only logs)</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Systèmes de fichiers avec contrôle d’intégrité (ZFS, Btrfs)</span>
									</li>
						</ul>
						</div>
				</div>
				<div class="elementor-element elementor-element-3d2e1ae elementor-widget elementor-widget-wdt-heading" data-id="3d2e1ae" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-3d2e1ae"><div class="wdt-heading-content-wrapper">Sécurité des Accès</div></div>				</div>
				</div>
				<div class="elementor-element elementor-element-9003d0e common-list-style elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list" data-id="9003d0e" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="icon-list.default">
				<div class="elementor-widget-container">
							<ul class="elementor-icon-list-items">
							<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Implémentation du principe du moindre privilège (PoLP)</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Authentification multi-facteurs (MFA)</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Gestion des identités et des accès (IAM)</span>
									</li>
						</ul>
						</div>
				</div>
				<div class="elementor-element elementor-element-32e20b3 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="32e20b3" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-32e20b3"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Surveillance et Amélioration <span class="wdt-heading-colored-elements">Continue</span></span></h4></div>				</div>
				</div>
				<div class="elementor-element elementor-element-2841eb1 elementor-widget elementor-widget-wdt-heading" data-id="2841eb1" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-2841eb1"><div class="wdt-heading-content-wrapper">La mise en œuvre d’une stratégie de défense en profondeur implique plusieurs niveaux :

</div></div>				</div>
				</div>
				<div class="elementor-element elementor-element-2b983a6 common-list-style elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list" data-id="2b983a6" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="icon-list.default">
				<div class="elementor-widget-container">
							<ul class="elementor-icon-list-items">
							<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Monitoring continu avec métriques MTBF/MTTR</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Analyse post-mortem des incidents</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Tests de pénétration réguliers</span>
									</li>
								<li class="elementor-icon-list-item">
											<span class="elementor-icon-list-icon">
							<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M97.7,11.18a7.81,7.81,0,0,0-2.37-5.81A8.12,8.12,0,0,0,89.52,3l-79.34.25a8.18,8.18,0,1,0,0,16.35l59.63-.24L7,82.18A8.24,8.24,0,0,0,7,93.79a8.14,8.14,0,0,0,11.53,0L81.34,31l-.25,59.55a8.18,8.18,0,0,0,16.36,0Z"></path></svg>						</span>
										<span class="elementor-icon-list-text">Exercices de reprise d’activité (DRP)</span>
									</li>
						</ul>
						</div>
				</div>
				<div class="elementor-element elementor-element-9925453 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="9925453" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-9925453"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Applications Pratiques</span></h4></div>				</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-4717c7e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="4717c7e" data-element_type="section" data-settings="{&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b81694c" data-id="b81694c" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-a9f3c4a elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="a9f3c4a" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-a9f3c4a"><div class="wdt-heading-subtitle-wrapper wdt-heading-align- "><span class="wdt-heading-subtitle">Cas n°1</span></div><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Architecture de Sécurité <span class="wdt-heading-colored-elements">en</span><span class="wdt-heading-colored-elements">Profondeur</span></span></h5></div>				</div>
				</div>
				<div class="elementor-element elementor-element-b72a1f4 elementor-widget elementor-widget-wdt-heading" data-id="b72a1f4" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-b72a1f4"><div class="wdt-heading-content-wrapper">Dans un système de réservation aérienne, la Sécurité de la Fonction (SdF) repose sur des éléments clés pour garantir performance et fiabilité. L'architecture distribuée avec réplication géographique assure une disponibilité continue. Les files de messages gèrent les transactions de manière fluide et ordonnée. En cas d’échec, des mécanismes de compensation sont utilisés pour récupérer les transactions. Enfin, un monitoring en temps réel avec alertes proactives permet de détecter et corriger rapidement toute anomalie, garantissant ainsi une expérience utilisateur optimale et sécurisée.</div></div>				</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7998d0c" data-id="7998d0c" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-e80a804 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-wdt-heading" data-id="e80a804" data-element_type="widget" data-settings="{&quot;_animation&quot;:&quot;fadeInLeft&quot;,&quot;wdt_enable_inview_status&quot;:&quot;true&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-e80a804"><div class="wdt-heading-subtitle-wrapper wdt-heading-align- "><span class="wdt-heading-subtitle">Cas n°2</span></div><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Systèmes Bancaires</span></h5></div>				</div>
				</div>
				<div class="elementor-element elementor-element-c1e0f8a elementor-widget elementor-widget-wdt-heading" data-id="c1e0f8a" data-element_type="widget" data-settings="{&quot;wdt_animation_effect&quot;:&quot;none&quot;}" data-widget_type="wdt-heading.default">
				<div class="elementor-widget-container">
					<div class="wdt-heading-holder " id="wdt-heading-c1e0f8a"><div class="wdt-heading-content-wrapper">Dans les applications bancaires, plusieurs mesures de sécurité sont essentielles pour protéger les données. Le chiffrement de bout en bout garantit la confidentialité des informations sensibles, tandis que la tokenisation des données de carte bancaire réduit les risques en cas de fuite. Un audit trail complet assure la traçabilité de chaque transaction, et un système de détection des fraudes en temps réel surveille les opérations pour repérer toute activité suspecte. Ces mécanismes assurent la sécurité des utilisateurs et la fiabilité des transactions bancaires.</div></div>				</div>
				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-53bc08f"><div class="wdt-heading-subtitle-wrapper wdt-heading-align- "><span class="wdt-heading-subtitle">Cas n°3</span></div><h5 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Contrôle Industriel (SCADA)</span></h5></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-4b75ed6"><div class="wdt-heading-content-wrapper">Les systèmes SCADA nécessitent plusieurs mesures pour garantir leur sécurité et leur fiabilité. Cela inclut une isolation réseau stricte (air gap) pour séparer les systèmes sensibles des réseaux externes, une redondance matérielle complète pour assurer la continuité en cas de défaillance, ainsi que des systèmes de fallback manuels pour une intervention en cas d’urgence. De plus, des protocoles de communication sécurisés, tels qu’OPC UA, sont utilisés pour protéger les échanges de données et garantir l’intégrité des informations.</div></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-4699078"><h4 class="wdt-heading-title-wrapper wdt-heading-align- wdt-heading-deco-wrapper"><span class="wdt-heading-title">Conclusion</span></h4></div>				</div>
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					<div class="wdt-heading-holder " id="wdt-heading-ee08ccc"><div class="wdt-heading-content-wrapper">La sûreté de fonctionnement en informatique est une discipline en constante évolution qui nécessite une approche holistique. Elle combine expertise technique, processus rigoureux et culture de la sécurité. Dans un monde où les cybermenaces se multiplient, elle devient un élément stratégique pour toute organisation dépendant de systèmes informatiques critiques.</div></div>				</div>
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		<p>L’article <a href="https://beta.catalystbluephenix.com/la-surete-de-fonctionnement-lenjeu-de-la-cybersecurite/">La Sûreté de fonctionnement, l&rsquo;enjeu de la cybersécurité</a> est apparu en premier sur <a href="https://beta.catalystbluephenix.com">Catalyst Blue Phenix</a>.</p>
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