{"id":95954,"date":"2017-05-15T06:37:55","date_gmt":"2017-05-15T04:37:55","guid":{"rendered":"http:\/\/batijournal.com\/?p=95954"},"modified":"2019-07-15T12:13:14","modified_gmt":"2019-07-15T10:13:14","slug":"ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\/95954\/","title":{"rendered":"Ransomware : la plus grande prudence s&rsquo;impose ce lundi dans l&rsquo;informatique des petites soci\u00e9t\u00e9s"},"content":{"rendered":"<p>Une vague de contamination sans pr\u00e9c\u00e9dent d&rsquo;un logiciel ransomware aurait atteint plus de 200 000 ordinateurs sous Windows en fin de semaine dans le monde entier. Connu sous les noms : \u00a0WanaCry, WanaCrypt, Wanna Decryptor, Wcry,\u00a0ou WanaCrypt0r 2.0, il publie un message d&rsquo;erreur sur les \u00e9crans, bloque les machines en encro\u00fbtant les donn\u00e9es, se propage via le r\u00e9seau et r\u00e9clame entre 300 et 600 $ pour r\u00e9cup\u00e9rer les donn\u00e9es.<\/p>\n<p>Ce ransomware p\u00e9n\u00e8tre les ordinateurs\u00a0en premier lieu via les courriers \u00e9lectroniques. D\u00e8s qu\u2019une machine est infect\u00e9e, le logiciel malveillant encrypte toutes les donn\u00e9es accessibles (locales et sur r\u00e9seau) et essaye ensuite de se propager lat\u00e9ralement dans l\u2019entreprise en exploitant des vuln\u00e9rabilit\u00e9s techniques. Dans le cas de\u00a0WanaCry, il s\u2019agit d\u2019une vuln\u00e9rabilit\u00e9 Microsoft dont un patch correctif est pourtant disponible depuis plusieurs mois.<\/p>\n<p>Il est probable que beaucoup d&rsquo;entreprises risquent de trouver un mail contenant un code malicieux dans leur bo\u00eete mail ce lundi matin. Aussi, il est fortement conseill\u00e9 de redoubler de vigilance en consultant ses messages. Il ne faut surtout pas ouvrir les mails provenant de personnes inconnues et en aucun cas les\u00a0fichiers joints.<\/p>\n<p>Il faut veiller \u00e0 faire des sauvegardes des donn\u00e9es importantes, et les isoler du r\u00e9seau informatique de l&rsquo;entreprise afin de ne pas les perdre non plus. Il faut proc\u00e9der \u00e0 la mise-\u00e0-jour de s\u00e9curit\u00e9 Windows MS17-010 dont les d\u00e9tails sont sur le site de Microsoft.<\/p>\n<p>Il faut v\u00e9rifier consciencieusement les ordinateurs portables qui sont rapport\u00e9s lundi dans l&rsquo;entreprise avant de les connecter au r\u00e9seau.<\/p>\n<p>Un site internet a \u00e9t\u00e9 publi\u00e9 pour aider les personnes et entreprises atteintes \u00e0 avoir les bons comportements : <a href=\"https:\/\/www.nomoreransom.org\/fr\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">www.nomoreransom.org\/fr\/index.html<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une vague de contamination sans pr\u00e9c\u00e9dent d&rsquo;un logiciel ransomware aurait atteint plus de 200 000 ordinateurs sous Windows en fin de semaine dans le monde entier. Connu sous les noms : \u00a0WanaCry, WanaCrypt, Wanna Decryptor, Wcry,\u00a0ou WanaCrypt0r 2.0, il publie un message d&rsquo;erreur sur les \u00e9crans, bloque les machines en encro\u00fbtant les donn\u00e9es, se propage [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":95955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10736,10530,6345],"tags":[2212],"class_list":["post-95954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-actualites","category-economie-marches","tag-reseau"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ransomware : la plus grande prudence s&#039;impose ce lundi dans l&#039;informatique des petites soci\u00e9t\u00e9s<\/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:\/\/batijournal.com\/index.php\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\/95954\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ransomware : la plus grande prudence s&#039;impose ce lundi dans l&#039;informatique des petites soci\u00e9t\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Une vague de contamination sans pr\u00e9c\u00e9dent d&rsquo;un logiciel ransomware aurait atteint plus de 200 000 ordinateurs sous Windows en fin de semaine dans le monde entier. Connu sous les noms : \u00a0WanaCry, WanaCrypt, Wanna Decryptor, Wcry,\u00a0ou WanaCrypt0r 2.0, il publie un message d&rsquo;erreur sur les \u00e9crans, bloque les machines en encro\u00fbtant les donn\u00e9es, se propage [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/batijournal.com\/index.php\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\/95954\/\" \/>\n<meta property=\"og:site_name\" content=\"Batijournal\" \/>\n<meta property=\"article:published_time\" content=\"2017-05-15T04:37:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-07-15T10:13:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/batijournal.com\/wp-content\/uploads\/2017\/05\/ransomware-attaque-informatique.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"674\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"St\u00e9phane Miget\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:site\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"St\u00e9phane Miget\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\\\/95954\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\\\/95954\\\/\"},\"author\":{\"name\":\"St\u00e9phane Miget\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/#\\\/schema\\\/person\\\/1dc96ec6957aa1ccb25ebe78bb19f100\"},\"headline\":\"Ransomware : la plus grande prudence s&rsquo;impose ce lundi dans l&rsquo;informatique des petites soci\u00e9t\u00e9s\",\"datePublished\":\"2017-05-15T04:37:55+00:00\",\"dateModified\":\"2019-07-15T10:13:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\\\/95954\\\/\"},\"wordCount\":323,\"image\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/ransomware-plus-grande-prudence-simpose-lundi-linformatique-petites-societes\\\/95954\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/ransomware-attaque-informatique.jpg\",\"keywords\":[\"r\u00e9seau\"],\"articleSection\":[\"A la Une\",\"Actualit\u00e9s\",\"\u00c9conomie &amp; 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