{"id":231348,"date":"2022-03-24T12:21:46","date_gmt":"2022-03-24T11:21:46","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=231348"},"modified":"2022-03-24T12:23:17","modified_gmt":"2022-03-24T11:23:17","slug":"lansi-met-en-garde-contre-menace-ciblant-les-systemes-windows-et-linux","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/lansi-met-en-garde-contre-menace-ciblant-les-systemes-windows-et-linux\/","title":{"rendered":"L\u2019ANSI met en garde contre une menace ciblant les syst\u00e8mes Windows et Linux"},"content":{"rendered":"<p>L\u2019Agence nationale de la s\u00e9curit\u00e9 informatique (ANSI) a mis en garde, jeudi, contre une nouvelle variante du \u00a0\u00bb Ransomware as a service \u00a0\u00bb (RaaS) qui cible les machines Windows et aussi tout syst\u00e8me bas\u00e9 sur Linux comme VMware ESXi, selon les derni\u00e8res analyses r\u00e9v\u00e9l\u00e9es.<\/p>\n<p>Baptis\u00e9 \u00a0\u00bb AvosLocker \u00ab\u00a0, ce malware se propage en exploitant les vuln\u00e9rabilit\u00e9s \u00a0\u00bb ProxyShell \u00a0\u00bb de Microsoft Exchange : CVE-2021-34473, CVE-2021-31206, CVE-2021-34523 et CVE-2021-31207.<\/p>\n<p>De ce fait, l\u2019ANSI conseille de proc\u00e9der imm\u00e9diatement \u00e0 mettre \u00e0 jour les solutions antivirales, s\u2019assurer que les syst\u00e8mes des serveurs sont \u00e0 jour, s\u2019assurer que les acc\u00e8s aux serveurs et aux \u00e9quipements r\u00e9seaux sont limit\u00e9s, contr\u00f4l\u00e9s et prot\u00e9g\u00e9s avec des mots de passe robustes, sauvegarder les donn\u00e9es critiques dans des disques externes et des serveurs de backup prot\u00e9g\u00e9s et isol\u00e9s d\u2019internet.<\/p>\n<p>L\u2019agence recommande, par ailleurs, de mettre en place des solutions de journalisation n\u00e9cessaires pour contr\u00f4ler les \u00e9v\u00e8nements survenus sur les serveurs critiques et les \u00e9quipements r\u00e9seaux, mettre en place des packs de s\u00e9curit\u00e9 pour la d\u00e9tection des actions malveillantes, des intrusions (IPS\/ NIDS) et de contr\u00f4le de la bande passante de trafic r\u00e9seau et de d\u00e9sactiver les ports inutilis\u00e9s.<\/p>\n<p>Elle appelle \u00e9galement, \u00e0 sensibiliser les employ\u00e9s sur les attaques de Phishing, social engineering et les ransomwares, v\u00e9rifier l\u2019authenticit\u00e9 des exp\u00e9diteurs avant la lecture de chaque message re\u00e7u par e-mail ou affich\u00e9 sur le mur Facebook\/Twitter\/ Instagram et ne pas r\u00e9pondre en cas de doute (ne pas cliquer sur les liens hypertextes ou les images qu\u2019il contient et le supprimer imm\u00e9diatement) mais aussi, \u00e0 d\u00e9sactiver les hyperliens dans les e-mails re\u00e7us.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019Agence nationale de la s\u00e9curit\u00e9 informatique (ANSI) a mis en garde, jeudi, contre une nouvelle variante du \u00a0\u00bb Ransomware as a service \u00a0\u00bb (RaaS) qui cible les machines Windows et&hellip;<\/p>\n","protected":false},"author":60,"featured_media":171503,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-231348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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