{"id":49899,"date":"2017-05-17T16:46:53","date_gmt":"2017-05-17T14:46:53","guid":{"rendered":"https:\/\/actagis.ch\/?p=49899"},"modified":"2025-02-12T14:12:16","modified_gmt":"2025-02-12T13:12:16","slug":"wannacry-ransomware-attack","status":"publish","type":"post","link":"https:\/\/actagis.ch\/fr\/wannacry-ransomware-attack\/","title":{"rendered":"Wannacry ransomware attack"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#0071BB\u00a0\u00bb custom_padding=\u00a0\u00bb30px||30px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb10px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_text_color=\u00a0\u00bb#e09900&Prime; header_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h1>Wannacry ransomware attack<\/h1>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb40px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; hover_enabled=\u00a0\u00bb0&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2 id=\"#wannacry\">Attaque ransomware Wannacry<\/h2>\n<p>L\u2019attaque ransomware Wannacry nous a prouv\u00e9 \u00e0 nouveau comment le facteur humain associ\u00e9 aux vuln\u00e9rabilit\u00e9s inh\u00e9rentes aux syst\u00e8mes d\u2019information peut causer d\u2019\u00e9normes d\u00e9g\u00e2ts \u00e0 l\u2019\u00e9conomie num\u00e9rique mondiale.<\/p>\n<p>Le sch\u00e9ma utilis\u00e9 n\u2019est pas r\u00e9volutionnaire et repose sur une conjonction de techniques connues.<\/p>\n<ol>\n<li><strong>Exploiter une vuln\u00e9rabilit\u00e9<\/strong><span>\u00a0<\/span>qui a \u00e9t\u00e9 d\u00e9couverte, mais pas corrig\u00e9e par le fournisseur du logiciel ou du mat\u00e9riel<\/li>\n<li>Utiliser la<span>\u00a0<\/span><strong>faiblesse du facteur humain<\/strong><span>\u00a0<\/span>pour activer le logiciel malveillant sur le syst\u00e8me d\u2019exploitation<\/li>\n<li>Acc\u00e8s aux instructions syst\u00e8me de bas niveau qui permettent le<span>\u00a0<\/span><strong>cryptage total des donn\u00e9es<\/strong><span>\u00a0<\/span>stock\u00e9es sur le syst\u00e8me.<\/li>\n<li>Utilisation de vers pour faciliter la<span>\u00a0<\/span><strong>rapide propagation de l\u2019attaque<\/strong><span>\u00a0<\/span>sur le r\u00e9seau des victimes<\/li>\n<li>Utilisation des m\u00e9canismes darknet pour<span>\u00a0<\/span><strong>recevoir la ran\u00e7on via Bitcoin<\/strong><\/li>\n<\/ol>\n<p>Avec le sc\u00e9nario d\u00e9crit ci-dessus, les victimes sont, dans la grande majorit\u00e9 des cas, d\u00e9sarm\u00e9es, surtout si elles n\u2019ont pas \u00e9t\u00e9 pr\u00e9par\u00e9es via des<span>\u00a0<\/span><strong>campagnes de sensibilisation<\/strong><span>\u00a0<\/span>\u00e0 la s\u00e9curit\u00e9 et si le CIO et le CSO\u00a0n\u2019ont pas mis en \u0153uvre des contr\u00f4les pr\u00e9ventifs, de d\u00e9tection et correctifs ad\u00e9quats.<\/p>\n<p>[\/et_pb_text][et_pb_video src=\u00a0\u00bbhttps:\/\/actagis.ch\/wp-content\/uploads\/2025\/01\/ttc-toutes-taxes-comprises-cyberattaque-jeff-primus-actagis.mp4&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_text=\u00a0\u00bbttc-toutes-taxes-comprises-cyberattaque-jeff-primus-actagis\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_video][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p><em>Jeff Primus, CEO d\u2019ACTAGIS, a \u00e9t\u00e9 interviw\u00e9 \u00e0 ce sujet pour l\u2019\u00e9mission \u00ab\u00a0Toutes Taxes Comprises\u00a0\u00bb de la\u00a0RTS<\/em><span>\u00a0<\/span>le\u00a015 mai\u00a02017.<\/p>\n<p>Depuis le d\u00e9but de l\u2019attaque, plus de<span>\u00a0<\/span><strong>150 pays<\/strong><span>\u00a0<\/span>ont \u00e9t\u00e9 touch\u00e9s par Wannacry et les dommages \u00e0 l\u2019\u00e9conomie mondiale peuvent facilement \u00eatre estim\u00e9s \u00e0 des<span>\u00a0<\/span><strong>milliards de dollars<\/strong>, si l\u2019on consid\u00e8re les interruptions d\u2019activit\u00e9 caus\u00e9es \u00e0 des milliers de soci\u00e9t\u00e9s dans le monde entier.<\/p>\n<p>Afin de r\u00e9duire la probabilit\u00e9 et l\u2019impact de ces \u00e9v\u00e9nements, les entreprises devraient renforcer le niveau de<span>\u00a0<\/span><strong>sensibilisation de leurs utilisateurs<\/strong><span>\u00a0<\/span>et<span>\u00a0<\/span><strong>\u00ab\u00a0patcher\u00a0\u00bb\u00a0leurs syst\u00e8mes de mani\u00e8re fr\u00e9quente et syst\u00e9matique<\/strong>. Enfin, une<span>\u00a0<\/span><strong>architecture de continuit\u00e9 d\u2019activit\u00e9<\/strong><span>\u00a0<\/span>bien con\u00e7ue et mise en \u0153uvre permettrait aux entreprises et aux utilisateurs de r\u00e9cup\u00e9rer leurs syst\u00e8mes d\u2019information et leurs donn\u00e9es dans un \u00e9tat coh\u00e9rent, comme ils \u00e9taient juste avant l\u2019attaque.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-26739 alignnone size-medium\" src=\"https:\/\/actagis.ch\/wp-content\/uploads\/2017\/05\/wannacry_500.jpg\" alt=\"\" width=\"400\" height=\"302\" srcset=\"https:\/\/actagis.ch\/wp-content\/uploads\/2017\/05\/wannacry_500.jpg 500w, https:\/\/actagis.ch\/wp-content\/uploads\/2017\/05\/wannacry_500-300x227.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p><em>Ecran Wannacry vu par les victimes de la cyber-attaque.<\/em><\/p>\n<p>Nous devons nous rappeler\u00a0que nous sommes dans un domaine o\u00f9 les<span>\u00a0<\/span><strong>attaques\u00a0sans fin<\/strong><span>\u00a0<\/span>continueront sans doute\u00a0\u00e0 nous forcer \u00e0 \u00eatre de mieux en\u00a0mieux pr\u00e9par\u00e9s pour les \u00e9volutions futures de menaces de plus en plus sophistiqu\u00e9es.<\/p>\n<p>Le<span>\u00a0<\/span><strong>facteur humain<\/strong><span>\u00a0<\/span>sera toujours la plus grande vuln\u00e9rabilit\u00e9 que les attaquants exploiteront. Et l\u2019aspect principal o\u00f9 la s\u00e9curit\u00e9 peut \u00eatre am\u00e9lior\u00e9e.<\/p>\n<p>\u00a92017 Jeff Primus, ACTAGIS<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/actagis.ch\/wp-content\/uploads\/2017\/05\/wannacry_500-1.jpg\u00a0\u00bb title_text=\u00a0\u00bbwannacry_500&Prime; url_new_window=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb border_width_all=\u00a0\u00bb1px\u00a0\u00bb border_color_all=\u00a0\u00bb#9b9b9b\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_post_nav prev_text=\u00a0\u00bbPrevious\u00a0\u00bb next_text=\u00a0\u00bbNext\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_post_nav][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The\u00a0Wannacry ransomware attack\u00a0proved us again how the human factor coupled with the vulnerabilities inherent to the information systems can cause tremendous damage to the worldwide digital economy.<\/p>\n<p>The schema used is not revolutionary and is based on a conjunction of known\u00a0techniques.<\/p>\n","protected":false},"author":2,"featured_media":49902,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","inline_featured_image":false,"footnotes":""},"categories":[225,217,218],"tags":[],"class_list":["post-49899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cyber-securite","category-media-fr","category-video-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wannacry ransomware attack - ACTAGIS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/actagis.ch\/fr\/wannacry-ransomware-attack\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wannacry ransomware attack - ACTAGIS\" \/>\n<meta property=\"og:description\" content=\"The\u00a0Wannacry ransomware attack\u00a0proved us again how the human factor coupled with the vulnerabilities inherent to the information systems can cause tremendous damage to the worldwide digital economy. 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