{"id":30914,"date":"2024-06-18T09:06:16","date_gmt":"2024-06-18T09:06:16","guid":{"rendered":"https:\/\/2b-advice.com\/?p=30914"},"modified":"2025-12-11T02:12:34","modified_gmt":"2025-12-11T00:12:34","slug":"cyber-attaque-contre-votre-entreprise-comment-reagir","status":"publish","type":"post","link":"https:\/\/2b-advice.com\/fr\/2024\/06\/18\/cyber-angriff-auf-ihr-unternehmen-wie-sie-reagieren-sollten\/","title":{"rendered":"Cyber-attaque contre votre entreprise ! Comment r\u00e9agir"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"30914\" class=\"elementor elementor-30914\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bb8627 e-flex e-con-boxed e-con e-parent\" data-id=\"1bb8627\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4820d06 elementor-widget elementor-widget-text-editor\" data-id=\"4820d06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les petites et moyennes entreprises (PME) sont de plus en plus souvent la cible de cyber-attaques. Les donn\u00e9es des clients et autres donn\u00e9es sensibles sont souvent vol\u00e9es, modifi\u00e9es, effac\u00e9es ou crypt\u00e9es. Comment les entreprises doivent-elles r\u00e9agir \u00e0 une cyber-attaque ?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-015b236 elementor-widget elementor-widget-heading\" data-id=\"015b236\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Premiers pas apr\u00e8s une cyber-attaque<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8836a8 elementor-widget elementor-widget-text-editor\" data-id=\"e8836a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En cas de cyberattaque, l'Office f\u00e9d\u00e9ral de la s\u00e9curit\u00e9 des technologies de l'information (BSI) recommande la proc\u00e9dure suivante :<\/p><ol><li>D\u00e9connectez vos appareils ou l'informatique de votre entreprise d'Internet.<br \/><br \/>Pour certains appareils, cela peut impliquer de les d\u00e9brancher ou de d\u00e9sactiver les services WLAN.<br \/><br \/>Dans le cas de l'informatique d'entreprise, cela peut se faire via les composants r\u00e9seau ou le pare-feu de l'entreprise.<br \/><br \/>Cela emp\u00eache l'attaquant de diriger son attaque, par exemple un ransomware, et emp\u00eache une \u00e9ventuelle exfiltration de donn\u00e9es.<br \/><br \/><\/li><li>N'\u00e9teignez pas et ne modifiez pas les ordinateurs et les appareils concern\u00e9s par l'attaque. Cela peut entraver le travail des experts en informatique ou des enqu\u00eateurs qui seront appel\u00e9s ult\u00e9rieurement.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22241dc elementor-widget elementor-widget-heading\" data-id=\"22241dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ne pas r\u00e9pondre aux demandes de ran\u00e7on des cybercriminels<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca447f7 elementor-widget elementor-widget-text-editor\" data-id=\"ca447f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\"Si une ran\u00e7on est demand\u00e9e, n'y r\u00e9pondez jamais\", avertit le BSI.\u00a0<span style=\"text-align: var(--text-align)\">En effet, il n'est pas garanti que l'entreprise concern\u00e9e re\u00e7oive effectivement une cl\u00e9 de d\u00e9cryptage apr\u00e8s le paiement de la ran\u00e7on.\u00a0<\/span><\/p><p>Il est plus important de d\u00e9couvrir d'abord comment les pirates ont obtenu l'acc\u00e8s au syst\u00e8me. Cet acc\u00e8s doit \u00eatre ferm\u00e9, sinon la cyberattaque peut se reproduire.\u00a0<\/p><p>Une fois la porte d'entr\u00e9e trouv\u00e9e et ferm\u00e9e, les sauvegardes des donn\u00e9es de l'entreprise peuvent \u00eatre restaur\u00e9es. Il est bien s\u00fbr important que la sauvegarde des donn\u00e9es soit effectu\u00e9e r\u00e9guli\u00e8rement. L'entreprise peut maintenant reprendre ses activit\u00e9s.<\/p><p>Ce qui reste : Si des donn\u00e9es sensibles de clients ont \u00e9t\u00e9 vol\u00e9es, elles peuvent se retrouver sur le Darknet ou \u00eatre transmises \u00e0 d'autres criminels.<\/p><p><strong>Conseil de lecture :<\/strong> <a href=\"https:\/\/2b-advice.com\/fr\/2024\/05\/31\/operation-endgame-le-plus-grand-coup-de-filet-contre-la-cybercriminalite\/\">Op\u00e9ration Endgame - le plus grand coup contre la cybercriminalit\u00e9<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5df14a4 elementor-widget elementor-widget-heading\" data-id=\"5df14a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Apr\u00e8s une cyberattaque : \u00e9tablir un journal de bord de l'incident de s\u00e9curit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d471338 elementor-widget elementor-widget-text-editor\" data-id=\"d471338\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le BSI recommande \u00e9galement de cr\u00e9er un journal de bord. Toutes les actions et \u00e9v\u00e9nements li\u00e9s \u00e0 l'incident de s\u00e9curit\u00e9 devraient y \u00eatre document\u00e9s. Chaque entr\u00e9e du document devrait contenir au moins les informations suivantes :<\/p><ul><li>Heure et date de l'\u00e9v\u00e9nement<\/li><li>le nom de la personne qui a effectu\u00e9 l'action ou qui a \u00e9t\u00e9 inform\u00e9e de l'\u00e9v\u00e9nement<\/li><li>la description de l'action ou de l'\u00e9v\u00e9nement.<br \/><br \/><\/li><\/ul><p><strong>Conseil de lien :<\/strong> <a href=\"https:\/\/www.bsi.bund.de\/DE\/IT-Sicherheitsvorfall\/Unternehmen\/unternehmen_node.html\" target=\"_blank\" rel=\"noopener\">Aides du BSI en cas d'incident de s\u00e9curit\u00e9 informatique<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f649e03 elementor-widget elementor-widget-heading\" data-id=\"f649e03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Aspects juridiques d'une cyber-attaque<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58212e3 elementor-widget elementor-widget-text-editor\" data-id=\"58212e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Important pour les entreprises qui traitent des donn\u00e9es \u00e0 caract\u00e8re personnel et qui sont soumises au RGPD : elles doivent informer les d\u00e9l\u00e9gu\u00e9s \u00e0 la protection des donn\u00e9es comp\u00e9tents et leurs clients en cas d'incident de s\u00e9curit\u00e9.<br \/><br \/>Id\u00e9alement, il existe d\u00e9j\u00e0 un concept de communication interne et externe qui s'applique en cas d'incident de s\u00e9curit\u00e9.<br \/><br \/>En outre, il est important de porter plainte apr\u00e8s une cyber-attaque. Les services centraux de lutte contre la cybercriminalit\u00e9 (ZAC) des autorit\u00e9s de police comp\u00e9tentes sont de bons interlocuteurs \u00e0 cet \u00e9gard.<\/p>\t\t\t\t\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>","protected":false},"excerpt":{"rendered":"<p>Les petites et moyennes entreprises (PME) sont de plus en plus souvent la cible de cyber-attaques. Les donn\u00e9es des clients et autres donn\u00e9es sensibles sont souvent vol\u00e9es, modifi\u00e9es, effac\u00e9es ou crypt\u00e9es. Comment les entreprises doivent-elles r\u00e9agir \u00e0 une cyber-attaque ?<\/p>","protected":false},"author":2,"featured_media":30929,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77,90],"tags":[104,101,102,148,95,103,71],"class_list":["post-30914","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-datensicherheit-dsgvo","category-risk-management","tag-bsi","tag-cyber-angriff","tag-cyber-attacke","tag-cyberangriffe-unternehmen","tag-kmu-datenschutz","tag-sicherheitsvorfall","tag-unternehmen"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cyber-Angriff auf Ihr Unternehmen! Wie Sie reagieren sollten - Ailance<\/title>\n<meta name=\"description\" content=\"Unternehmen werden zunehmend Ziel von Cyber-Attacken. 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