Veille Technologique \u2013 Nathan Vitter<\/title>\r\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap\" rel=\"stylesheet\">\r\n <style>\r\n * { margin: 0; padding: 0; box-sizing: border-box; }\r\n\r\n body {\r\n font-family: 'Poppins', sans-serif;\r\n color: #1e1e1e;\r\n background-color: #f5f7fa;\r\n }\r\n\r\n nav.navbar {\r\n position: fixed;\r\n top: 0; left: 50%;\r\n transform: translateX(-50%);\r\n background-color: rgba(0,0,0,0.6);\r\n backdrop-filter: blur(10px);\r\n z-index: 1000;\r\n padding: 10px 20px;\r\n border-radius: 0 0 15px 15px;\r\n width: 100%; max-width: 1000px;\r\n }\r\n .navbar .menu-desktop { display: flex; justify-content: center; flex-wrap: wrap; list-style: none; }\r\n .navbar li { position: relative; }\r\n .navbar a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; display: block; padding: 8px 12px; transition: color 0.3s ease; }\r\n .navbar a:hover { color: #00aaff; }\r\n .navbar li ul { display: none; position: absolute; top: 100%; left: 0; background-color: white; min-width: 180px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); border-radius: 8px; z-index: 999; }\r\n .navbar li ul li a { color: #000; padding: 10px 15px; }\r\n .navbar li ul li a:hover { background-color: #f5f7fa; }\r\n .navbar li:hover > ul { display: block; }\r\n\r\n .spacer { height: 60px; }\r\n\r\n .header-section {\r\n padding: 60px 20px;\r\n background: linear-gradient(to bottom, #F3F4F6, #E5E7EB);\r\n text-align: center;\r\n }\r\n .header-section h1 { font-size: 42px; color: #1E40AF; margin-bottom: 10px; }\r\n .header-section p { color: #374151; font-size: 18px; }\r\n\r\n .content { max-width: 800px; margin: 0 auto; padding: 50px 20px 80px; }\r\n\r\n .dispositif {\r\n background: white;\r\n border-radius: 12px;\r\n padding: 30px;\r\n box-shadow: 0 4px 15px rgba(0,0,0,0.07);\r\n margin-bottom: 40px;\r\n border-left: 5px solid #1E40AF;\r\n }\r\n .dispositif h2 { color: #1E3A8A; font-size: 1.2em; margin-bottom: 15px; }\r\n .dispositif p { color: #4B5563; font-size: 0.9em; line-height: 1.75; margin-bottom: 12px; }\r\n\r\n .outil-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));\r\n gap: 12px;\r\n margin-top: 18px;\r\n }\r\n .outil-card {\r\n background: #f8faff;\r\n border-radius: 10px;\r\n padding: 14px;\r\n border: 1px solid #e5e7eb;\r\n text-align: center;\r\n }\r\n .outil-card h3 { font-size: 0.88em; color: #1E3A8A; margin-bottom: 5px; }\r\n .outil-card p { font-size: 0.76em; color: #6b7280; line-height: 1.5; }\r\n\r\n .section-title {\r\n font-size: 1.2em;\r\n color: #1E3A8A;\r\n border-left: 5px solid #1E40AF;\r\n padding-left: 15px;\r\n margin: 40px 0 20px;\r\n font-weight: 700;\r\n }\r\n\r\n .article-card {\r\n background: white;\r\n border-radius: 12px;\r\n padding: 25px 28px;\r\n box-shadow: 0 4px 15px rgba(0,0,0,0.07);\r\n margin-bottom: 20px;\r\n }\r\n .article-meta {\r\n display: flex;\r\n align-items: center;\r\n gap: 10px;\r\n margin-bottom: 10px;\r\n flex-wrap: wrap;\r\n }\r\n .article-num {\r\n background: #1E40AF;\r\n color: white;\r\n font-size: 0.72em;\r\n font-weight: 700;\r\n padding: 2px 9px;\r\n border-radius: 20px;\r\n }\r\n .article-source { font-size: 0.76em; color: #9ca3af; font-weight: 600; }\r\n .article-date { font-size: 0.76em; color: #9ca3af; }\r\n .article-title { font-size: 1em; font-weight: 700; color: #1E3A8A; margin-bottom: 10px; line-height: 1.4; }\r\n .article-resume { font-size: 0.85em; color: #4B5563; line-height: 1.7; margin-bottom: 12px; }\r\n\r\n .article-analyse {\r\n background: #f0f4ff;\r\n border-radius: 8px;\r\n padding: 12px 16px;\r\n border-left: 4px solid #1E40AF;\r\n }\r\n .article-analyse h4 { font-size: 0.76em; font-weight: 700; color: #1E40AF; margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }\r\n .article-analyse p { font-size: 0.83em; color: #374151; line-height: 1.6; }\r\n\r\n .article-link { display: inline-block; margin-top: 12px; font-size: 0.78em; color: #1E40AF; text-decoration: none; font-weight: 600; }\r\n .article-link:hover { text-decoration: underline; }\r\n\r\n footer { text-align: center; padding: 30px; color: #9ca3af; font-size: 0.85em; }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n <nav class=\"navbar\">\r\n <ul class=\"menu-desktop\">\r\n <li><a href=\"\/\">Accueil<\/a><\/li>\r\n <li><a href=\"\/index.php\/ap\/\">AP<\/a><\/li>\r\n <li><a href=\"\/index.php\/activites\/\">Activit\u00e9s<\/a><\/li>\r\n <li><a href=\"\/index.php\/projets\/\">Projets<\/a><\/li>\r\n <li>\r\n <a href=\"\/index.php\/stages\/stages\/\">Stages \u25bc<\/a>\r\n <ul>\r\n <li><a href=\"\/index.php\/stages\/1ere-annee\/\">Stage 1\u00e8re ann\u00e9e<\/a><\/li>\r\n <li><a href=\"\/index.php\/stages\/2eme-annee\/\">Stage 2\u00e8me ann\u00e9e<\/a><\/li>\r\n <\/ul>\r\n <\/li>\r\n <li><a href=\"\/index.php\/veille\/\">Veille<\/a><\/li>\r\n <li><a href=\"\/index.php\/cv\/\">CV<\/a><\/li>\r\n <li><a href=\"\/index.php\/contact\/\">Contact<\/a><\/li>\r\n <li><a href=\"\/index.php\/competences\/\">Comp\u00e9tences<\/a><\/li>\r\n <li><a href=\"\/index.php\/certifications\/\">Certifications<\/a><\/li>\r\n <\/ul>\r\n <\/nav>\r\n\r\n <div class=\"spacer\"><\/div>\r\n\r\n <section class=\"header-section\">\r\n <h1>Veille Technologique<\/h1>\r\n <p>Sujet : L'\u00e9volution des ransomwares et leur impact sur les entreprises<\/p>\r\n <\/section>\r\n\r\n <div class=\"content\">\r\n\r\n <div class=\"dispositif\">\r\n <h2>Mon dispositif de veille<\/h2>\r\n <p>\r\n J'ai choisi ce sujet car il est directement li\u00e9 \u00e0 ma formation SISR. En tant que futur administrateur syst\u00e8mes et r\u00e9seaux, comprendre les menaces actuelles est essentiel pour s\u00e9curiser une infrastructure.\r\n <\/p>\r\n <p>\r\n Pour rester inform\u00e9, j'utilise plusieurs outils compl\u00e9mentaires qui me permettent de recevoir les actualit\u00e9s automatiquement ou de les consulter r\u00e9guli\u00e8rement.\r\n <\/p>\r\n <div class=\"outil-grid\">\r\n <div class=\"outil-card\">\r\n <h3>Google Alertes<\/h3>\r\n <p>Alertes mail automatiques sur les mots-cl\u00e9s \"ransomware\", \"ran\u00e7ongiciel\", \"cyberattaque\"<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>Feedly<\/h3>\r\n <p>Agr\u00e9gateur RSS abonn\u00e9 \u00e0 LeMagIT, ZDNet et l'ANSSI<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>ANSSI<\/h3>\r\n <p>Consultation des alertes et bulletins officiels de s\u00e9curit\u00e9 fran\u00e7ais<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>Reddit<\/h3>\r\n <p>Suivi de r\/cybersecurity et r\/netsec pour les actualit\u00e9s techniques<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <h2 class=\"section-title\">Articles et analyses<\/h2>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 1<\/span>\r\n <span class=\"article-source\">Sophos \/ GlobalSecurityMag<\/span>\r\n <span class=\"article-date\">2024<\/span>\r\n <\/div>\r\n <div class=\"article-title\">La France, pays le plus touch\u00e9 par les ransomwares en 2024<\/div>\r\n <p class=\"article-resume\">\r\n Selon le rapport annuel de Sophos, 74 % des entreprises fran\u00e7aises ont \u00e9t\u00e9 victimes d'un ransomware en 2024, soit une hausse de 10 points par rapport \u00e0 2023. \u00c0 l'\u00e9chelle mondiale, 5 414 attaques ont \u00e9t\u00e9 recens\u00e9es (+11 %). Dans 69 % des cas, les entreprises ont pay\u00e9 la ran\u00e7on.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>3 entreprises fran\u00e7aises sur 4 touch\u00e9es en un an, c'est consid\u00e9rable. Payer la ran\u00e7on ne garantit pas de r\u00e9cup\u00e9rer ses donn\u00e9es et finance de futures attaques. Cela confirme l'importance des sauvegardes r\u00e9guli\u00e8res et des plans de reprise d'activit\u00e9 (PRA), comme on l'a \u00e9tudi\u00e9 en cours.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.globalsecuritymag.fr\/la-france-fait-etat-du-plus-fort-taux-d-attaques-par-ransomware-en-2024-selon.html\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 2<\/span>\r\n <span class=\"article-source\">Check Point \/ Cyber-securite.fr<\/span>\r\n <span class=\"article-date\">Janvier 2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">Le mod\u00e8le Ransomware-as-a-Service (RaaS)<\/div>\r\n <p class=\"article-resume\">\r\n En 2024, le d\u00e9mant\u00e8lement de LockBit a provoqu\u00e9 l'apparition de 46 nouveaux groupes cybercriminels. Ces groupes utilisent le mod\u00e8le RaaS, qui permet de louer un ransomware sans comp\u00e9tences techniques. Ce mod\u00e8le a facilit\u00e9 une hausse de 11 % des attaques mondiales.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>Avec le RaaS, n'importe qui peut mener une cyberattaque sans \u00eatre expert. Cela explique pourquoi les PME, moins prot\u00e9g\u00e9es, sont de plus en plus cibl\u00e9es. La cybers\u00e9curit\u00e9 n'est plus r\u00e9serv\u00e9e aux grandes entreprises.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.cyber-securite.fr\/check-point-ransomware-evolution-2024\/\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 3<\/span>\r\n <span class=\"article-source\">LeMagIT<\/span>\r\n <span class=\"article-date\">2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">Reprise des attaques en 2025 : l'Active Directory dans le viseur<\/div>\r\n <p class=\"article-resume\">\r\n LeMagIT constate une reprise des ransomwares en 2025. Les attaquants ciblent d\u00e9sormais les comptes \u00e0 privil\u00e8ges (Active Directory, Azure AD) plut\u00f4t que les serveurs directement. Le co\u00fbt moyen d'un arr\u00eat du SI d\u00e9passe 200 000 \u20ac pour une PME.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>On a configur\u00e9 et s\u00e9curis\u00e9 Active Directory en cours \u2014 cet article montre que ce n'est pas qu'un exercice. Les GPO, politiques de mots de passe et gestion des droits sont des protections r\u00e9elles et critiques face aux attaques actuelles.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.lemagit.fr\/actualites\/366636811\/Ransomware-2025-lannee-de-la-reprise-en-France\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 4<\/span>\r\n <span class=\"article-source\">Semperis \/ Solutions Num\u00e9riques<\/span>\r\n <span class=\"article-date\">2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">La double extorsion : chiffrement et vol de donn\u00e9es<\/div>\r\n <p class=\"article-resume\">\r\n Le rapport Semperis 2025 r\u00e9v\u00e8le que les ransomwares volent les donn\u00e9es dans 62 % des cas en plus de les chiffrer, et les d\u00e9truisent dans 53 % des cas. En France, 47 % des entreprises attaqu\u00e9es ont re\u00e7u la menace d'un d\u00e9p\u00f4t de plainte si elles ne rendaient pas l'incident public.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>M\u00eame avec des sauvegardes, une entreprise peut voir ses donn\u00e9es publi\u00e9es si elle refuse de payer. La protection doit donc aller au-del\u00e0 des sauvegardes : chiffrement des donn\u00e9es sensibles, segmentation r\u00e9seau avec VLANs et DMZ pour limiter les mouvements des attaquants.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.solutions-numeriques.com\/ransomwares-74-des-organisations-francaises-ciblees-en-2024\/\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <\/div>\r\n\r\n <footer>Copyright \u00a9 2026 | Nathan Vitter \u2013 BTS SIO SISR \u2013 Lyc\u00e9e Saint-Exup\u00e9ry<\/footer>\r\n\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Veille Technologique \u2013 Nathan Vitter Accueil AP Activit\u00e9s Projets Stages \u25bc Stage 1\u00e8re ann\u00e9e Stage 2\u00e8me ann\u00e9e Veille CV Contact […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-596","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/comments?post=596"}],"version-history":[{"count":10,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596\/revisions"}],"predecessor-version":[{"id":664,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596\/revisions\/664"}],"wp:attachment":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/media?parent=596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\r\n\r\n\r\n \r\n \r\n Veille Technologique \u2013 Nathan Vitter<\/title>\r\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap\" rel=\"stylesheet\">\r\n <style>\r\n * { margin: 0; padding: 0; box-sizing: border-box; }\r\n\r\n body {\r\n font-family: 'Poppins', sans-serif;\r\n color: #1e1e1e;\r\n background-color: #f5f7fa;\r\n }\r\n\r\n nav.navbar {\r\n position: fixed;\r\n top: 0; left: 50%;\r\n transform: translateX(-50%);\r\n background-color: rgba(0,0,0,0.6);\r\n backdrop-filter: blur(10px);\r\n z-index: 1000;\r\n padding: 10px 20px;\r\n border-radius: 0 0 15px 15px;\r\n width: 100%; max-width: 1000px;\r\n }\r\n .navbar .menu-desktop { display: flex; justify-content: center; flex-wrap: wrap; list-style: none; }\r\n .navbar li { position: relative; }\r\n .navbar a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; display: block; padding: 8px 12px; transition: color 0.3s ease; }\r\n .navbar a:hover { color: #00aaff; }\r\n .navbar li ul { display: none; position: absolute; top: 100%; left: 0; background-color: white; min-width: 180px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); border-radius: 8px; z-index: 999; }\r\n .navbar li ul li a { color: #000; padding: 10px 15px; }\r\n .navbar li ul li a:hover { background-color: #f5f7fa; }\r\n .navbar li:hover > ul { display: block; }\r\n\r\n .spacer { height: 60px; }\r\n\r\n .header-section {\r\n padding: 60px 20px;\r\n background: linear-gradient(to bottom, #F3F4F6, #E5E7EB);\r\n text-align: center;\r\n }\r\n .header-section h1 { font-size: 42px; color: #1E40AF; margin-bottom: 10px; }\r\n .header-section p { color: #374151; font-size: 18px; }\r\n\r\n .content { max-width: 800px; margin: 0 auto; padding: 50px 20px 80px; }\r\n\r\n .dispositif {\r\n background: white;\r\n border-radius: 12px;\r\n padding: 30px;\r\n box-shadow: 0 4px 15px rgba(0,0,0,0.07);\r\n margin-bottom: 40px;\r\n border-left: 5px solid #1E40AF;\r\n }\r\n .dispositif h2 { color: #1E3A8A; font-size: 1.2em; 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color: #9ca3af; font-weight: 600; }\r\n .article-date { font-size: 0.76em; color: #9ca3af; }\r\n .article-title { font-size: 1em; font-weight: 700; color: #1E3A8A; margin-bottom: 10px; line-height: 1.4; }\r\n .article-resume { font-size: 0.85em; color: #4B5563; line-height: 1.7; margin-bottom: 12px; }\r\n\r\n .article-analyse {\r\n background: #f0f4ff;\r\n border-radius: 8px;\r\n padding: 12px 16px;\r\n border-left: 4px solid #1E40AF;\r\n }\r\n .article-analyse h4 { font-size: 0.76em; font-weight: 700; color: #1E40AF; margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }\r\n .article-analyse p { font-size: 0.83em; color: #374151; line-height: 1.6; }\r\n\r\n .article-link { display: inline-block; margin-top: 12px; font-size: 0.78em; color: #1E40AF; text-decoration: none; font-weight: 600; }\r\n .article-link:hover { text-decoration: underline; }\r\n\r\n footer { text-align: center; padding: 30px; color: #9ca3af; font-size: 0.85em; }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n <nav class=\"navbar\">\r\n <ul class=\"menu-desktop\">\r\n <li><a href=\"\/\">Accueil<\/a><\/li>\r\n <li><a href=\"\/index.php\/ap\/\">AP<\/a><\/li>\r\n <li><a href=\"\/index.php\/activites\/\">Activit\u00e9s<\/a><\/li>\r\n <li><a href=\"\/index.php\/projets\/\">Projets<\/a><\/li>\r\n <li>\r\n <a href=\"\/index.php\/stages\/stages\/\">Stages \u25bc<\/a>\r\n <ul>\r\n <li><a href=\"\/index.php\/stages\/1ere-annee\/\">Stage 1\u00e8re ann\u00e9e<\/a><\/li>\r\n <li><a href=\"\/index.php\/stages\/2eme-annee\/\">Stage 2\u00e8me ann\u00e9e<\/a><\/li>\r\n <\/ul>\r\n <\/li>\r\n <li><a href=\"\/index.php\/veille\/\">Veille<\/a><\/li>\r\n <li><a href=\"\/index.php\/cv\/\">CV<\/a><\/li>\r\n <li><a href=\"\/index.php\/contact\/\">Contact<\/a><\/li>\r\n <li><a href=\"\/index.php\/competences\/\">Comp\u00e9tences<\/a><\/li>\r\n <li><a href=\"\/index.php\/certifications\/\">Certifications<\/a><\/li>\r\n <\/ul>\r\n <\/nav>\r\n\r\n <div class=\"spacer\"><\/div>\r\n\r\n <section class=\"header-section\">\r\n <h1>Veille Technologique<\/h1>\r\n <p>Sujet : L'\u00e9volution des ransomwares et leur impact sur les entreprises<\/p>\r\n <\/section>\r\n\r\n <div class=\"content\">\r\n\r\n <div class=\"dispositif\">\r\n <h2>Mon dispositif de veille<\/h2>\r\n <p>\r\n J'ai choisi ce sujet car il est directement li\u00e9 \u00e0 ma formation SISR. En tant que futur administrateur syst\u00e8mes et r\u00e9seaux, comprendre les menaces actuelles est essentiel pour s\u00e9curiser une infrastructure.\r\n <\/p>\r\n <p>\r\n Pour rester inform\u00e9, j'utilise plusieurs outils compl\u00e9mentaires qui me permettent de recevoir les actualit\u00e9s automatiquement ou de les consulter r\u00e9guli\u00e8rement.\r\n <\/p>\r\n <div class=\"outil-grid\">\r\n <div class=\"outil-card\">\r\n <h3>Google Alertes<\/h3>\r\n <p>Alertes mail automatiques sur les mots-cl\u00e9s \"ransomware\", \"ran\u00e7ongiciel\", \"cyberattaque\"<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>Feedly<\/h3>\r\n <p>Agr\u00e9gateur RSS abonn\u00e9 \u00e0 LeMagIT, ZDNet et l'ANSSI<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>ANSSI<\/h3>\r\n <p>Consultation des alertes et bulletins officiels de s\u00e9curit\u00e9 fran\u00e7ais<\/p>\r\n <\/div>\r\n <div class=\"outil-card\">\r\n <h3>Reddit<\/h3>\r\n <p>Suivi de r\/cybersecurity et r\/netsec pour les actualit\u00e9s techniques<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n <h2 class=\"section-title\">Articles et analyses<\/h2>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 1<\/span>\r\n <span class=\"article-source\">Sophos \/ GlobalSecurityMag<\/span>\r\n <span class=\"article-date\">2024<\/span>\r\n <\/div>\r\n <div class=\"article-title\">La France, pays le plus touch\u00e9 par les ransomwares en 2024<\/div>\r\n <p class=\"article-resume\">\r\n Selon le rapport annuel de Sophos, 74 % des entreprises fran\u00e7aises ont \u00e9t\u00e9 victimes d'un ransomware en 2024, soit une hausse de 10 points par rapport \u00e0 2023. \u00c0 l'\u00e9chelle mondiale, 5 414 attaques ont \u00e9t\u00e9 recens\u00e9es (+11 %). Dans 69 % des cas, les entreprises ont pay\u00e9 la ran\u00e7on.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>3 entreprises fran\u00e7aises sur 4 touch\u00e9es en un an, c'est consid\u00e9rable. Payer la ran\u00e7on ne garantit pas de r\u00e9cup\u00e9rer ses donn\u00e9es et finance de futures attaques. Cela confirme l'importance des sauvegardes r\u00e9guli\u00e8res et des plans de reprise d'activit\u00e9 (PRA), comme on l'a \u00e9tudi\u00e9 en cours.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.globalsecuritymag.fr\/la-france-fait-etat-du-plus-fort-taux-d-attaques-par-ransomware-en-2024-selon.html\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 2<\/span>\r\n <span class=\"article-source\">Check Point \/ Cyber-securite.fr<\/span>\r\n <span class=\"article-date\">Janvier 2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">Le mod\u00e8le Ransomware-as-a-Service (RaaS)<\/div>\r\n <p class=\"article-resume\">\r\n En 2024, le d\u00e9mant\u00e8lement de LockBit a provoqu\u00e9 l'apparition de 46 nouveaux groupes cybercriminels. Ces groupes utilisent le mod\u00e8le RaaS, qui permet de louer un ransomware sans comp\u00e9tences techniques. Ce mod\u00e8le a facilit\u00e9 une hausse de 11 % des attaques mondiales.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>Avec le RaaS, n'importe qui peut mener une cyberattaque sans \u00eatre expert. Cela explique pourquoi les PME, moins prot\u00e9g\u00e9es, sont de plus en plus cibl\u00e9es. La cybers\u00e9curit\u00e9 n'est plus r\u00e9serv\u00e9e aux grandes entreprises.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.cyber-securite.fr\/check-point-ransomware-evolution-2024\/\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 3<\/span>\r\n <span class=\"article-source\">LeMagIT<\/span>\r\n <span class=\"article-date\">2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">Reprise des attaques en 2025 : l'Active Directory dans le viseur<\/div>\r\n <p class=\"article-resume\">\r\n LeMagIT constate une reprise des ransomwares en 2025. Les attaquants ciblent d\u00e9sormais les comptes \u00e0 privil\u00e8ges (Active Directory, Azure AD) plut\u00f4t que les serveurs directement. Le co\u00fbt moyen d'un arr\u00eat du SI d\u00e9passe 200 000 \u20ac pour une PME.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>On a configur\u00e9 et s\u00e9curis\u00e9 Active Directory en cours \u2014 cet article montre que ce n'est pas qu'un exercice. Les GPO, politiques de mots de passe et gestion des droits sont des protections r\u00e9elles et critiques face aux attaques actuelles.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.lemagit.fr\/actualites\/366636811\/Ransomware-2025-lannee-de-la-reprise-en-France\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <div class=\"article-card\">\r\n <div class=\"article-meta\">\r\n <span class=\"article-num\">Article 4<\/span>\r\n <span class=\"article-source\">Semperis \/ Solutions Num\u00e9riques<\/span>\r\n <span class=\"article-date\">2025<\/span>\r\n <\/div>\r\n <div class=\"article-title\">La double extorsion : chiffrement et vol de donn\u00e9es<\/div>\r\n <p class=\"article-resume\">\r\n Le rapport Semperis 2025 r\u00e9v\u00e8le que les ransomwares volent les donn\u00e9es dans 62 % des cas en plus de les chiffrer, et les d\u00e9truisent dans 53 % des cas. En France, 47 % des entreprises attaqu\u00e9es ont re\u00e7u la menace d'un d\u00e9p\u00f4t de plainte si elles ne rendaient pas l'incident public.\r\n <\/p>\r\n <div class=\"article-analyse\">\r\n <h4>Mon analyse<\/h4>\r\n <p>M\u00eame avec des sauvegardes, une entreprise peut voir ses donn\u00e9es publi\u00e9es si elle refuse de payer. La protection doit donc aller au-del\u00e0 des sauvegardes : chiffrement des donn\u00e9es sensibles, segmentation r\u00e9seau avec VLANs et DMZ pour limiter les mouvements des attaquants.<\/p>\r\n <\/div>\r\n <a class=\"article-link\" href=\"https:\/\/www.solutions-numeriques.com\/ransomwares-74-des-organisations-francaises-ciblees-en-2024\/\" target=\"_blank\">Lire l'article complet<\/a>\r\n <\/div>\r\n\r\n <\/div>\r\n\r\n <footer>Copyright \u00a9 2026 | Nathan Vitter \u2013 BTS SIO SISR \u2013 Lyc\u00e9e Saint-Exup\u00e9ry<\/footer>\r\n\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Veille Technologique \u2013 Nathan Vitter Accueil AP Activit\u00e9s Projets Stages \u25bc Stage 1\u00e8re ann\u00e9e Stage 2\u00e8me ann\u00e9e Veille CV Contact […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-596","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/comments?post=596"}],"version-history":[{"count":10,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596\/revisions"}],"predecessor-version":[{"id":664,"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/pages\/596\/revisions\/664"}],"wp:attachment":[{"href":"https:\/\/nathanvitter.fr\/index.php\/wp-json\/wp\/v2\/media?parent=596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}