{"id":10835,"date":"2025-04-22T07:16:00","date_gmt":"2025-04-22T05:16:00","guid":{"rendered":"https:\/\/flyingsupporter.ch\/?p=10835"},"modified":"2026-08-31T13:24:05","modified_gmt":"2026-08-31T11:24:05","slug":"attention-aux-e-mails-de-phishing-au-nom-du-chef","status":"publish","type":"post","link":"https:\/\/flyingsupporter.ch\/fr\/2025\/04\/22\/vorsicht-vor-phishing-mails-im-namen-des-chefs\/","title":{"rendered":"Attention aux e-mails de phishing au nom du patron"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10835\" class=\"elementor elementor-10835\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0996e5c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0996e5c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f67cf0a\" data-id=\"f67cf0a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-77a4cc0 elementor-widget elementor-widget-text-editor\" data-id=\"77a4cc0\" 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 class=\"\" data-start=\"304\" data-end=\"667\">Dans de nombreuses entreprises, les rapports se multiplient actuellement sur <strong data-start=\"360\" data-end=\"378\">Courriers \u00e9lectroniques d'hame\u00e7onnage<\/strong>Les messages de ce type semblent provenir des sup\u00e9rieurs ou de la direction. Particuli\u00e8rement insidieux : ces messages sont souvent formul\u00e9s comme s'ils venaient directement du propre chef - avec le nom, le titre et parfois m\u00eame la signature correspondante. Le contenu semble urgent et confidentiel, par exemple :<\/p><blockquote data-start=\"669\" data-end=\"765\"><p class=\"\" data-start=\"671\" data-end=\"765\"><em data-start=\"671\" data-end=\"765\">\"Bonjour, tu as une minute ? J'ai besoin de ton num\u00e9ro de portable pour une affaire urgente\".<\/em><\/p><\/blockquote><p class=\"\" data-start=\"767\" data-end=\"989\">Ce qui semble anodin est souvent le d\u00e9but d'une <strong data-start=\"812\" data-end=\"843\">Attaque d'ing\u00e9nierie sociale<\/strong> - c'est-\u00e0-dire une tentative de manipuler des personnes de mani\u00e8re cibl\u00e9e afin d'obtenir des informations confidentielles ou de causer des dommages encore plus importants par la suite.<\/p><h4 data-start=\"996\" data-end=\"1034\">Pourquoi ces courriels sont-ils dangereux ?<\/h4><ul data-start=\"1036\" data-end=\"1481\"><li class=\"\" data-start=\"1036\" data-end=\"1150\"><p class=\"\" data-start=\"1038\" data-end=\"1150\"><strong data-start=\"1038\" data-end=\"1063\">l'usurpation d'identit\u00e9 :<\/strong> Les criminels se font passer pour des sup\u00e9rieurs hi\u00e9rarchiques afin d'abuser de la confiance des destinataires.<\/p><\/li><li class=\"\" data-start=\"1151\" data-end=\"1292\"><p class=\"\" data-start=\"1153\" data-end=\"1292\"><strong data-start=\"1153\" data-end=\"1167\">Vol de donn\u00e9es :<\/strong> Le num\u00e9ro de t\u00e9l\u00e9phone portable peut notamment \u00eatre utilis\u00e9 pour tenter de commettre une usurpation d'identit\u00e9 ou de contourner l'authentification \u00e0 deux facteurs.<\/p><\/li><li class=\"\" data-start=\"1293\" data-end=\"1481\"><p class=\"\" data-start=\"1295\" data-end=\"1481\"><strong data-start=\"1295\" data-end=\"1313\">Attaques de suivi :<\/strong> Une fois que l'on a r\u00e9pondu, on est souvent entra\u00een\u00e9 dans d'autres communications frauduleuses - par exemple en demandant d'acheter des codes de bons ou d'effectuer des virements.<\/p><\/li><\/ul><h4 data-start=\"1488\" data-end=\"1532\">Comment reconna\u00eetre de tels courriels d'hame\u00e7onnage ?<\/h4><ol data-start=\"1534\" data-end=\"2284\"><li class=\"\" data-start=\"1534\" data-end=\"1725\"><p class=\"\" data-start=\"1537\" data-end=\"1725\"><strong data-start=\"1537\" data-end=\"1570\">Adresse \u00e9lectronique inhabituelle :<\/strong> L'adresse de l'exp\u00e9diteur semble l\u00e9gitime \u00e0 premi\u00e8re vue, mais en y regardant de plus pr\u00e8s, on constate de petites diff\u00e9rences (par exemple <a rel=\"noopener\" data-start=\"1695\" data-end=\"1708\">chef@firm4.de<\/a> au lieu de firma.de).<\/p><\/li><li class=\"\" data-start=\"1726\" data-end=\"1877\"><p class=\"\" data-start=\"1729\" data-end=\"1877\"><strong data-start=\"1729\" data-end=\"1765\">l'urgence et la confidentialit\u00e9 :<\/strong> Le message exige une action imm\u00e9diate, souvent avec la consigne de ne pas partager l'info avec d'autres.<\/p><\/li><li class=\"\" data-start=\"1878\" data-end=\"2031\"><p class=\"\" data-start=\"1881\" data-end=\"2031\"><strong data-start=\"1881\" data-end=\"1907\">Une demande inhabituelle :<\/strong> Un sup\u00e9rieur ne demande g\u00e9n\u00e9ralement pas spontan\u00e9ment par e-mail le num\u00e9ro de t\u00e9l\u00e9phone portable priv\u00e9 - surtout sans contexte.<\/p><\/li><li class=\"\" data-start=\"2032\" data-end=\"2141\"><p class=\"\" data-start=\"2035\" data-end=\"2141\"><strong data-start=\"2035\" data-end=\"2062\">Pas de style personnel :<\/strong> Le langage semble souvent atypique ou distant, parfois formul\u00e9 de mani\u00e8re saccad\u00e9e.<\/p><\/li><li class=\"\" data-start=\"2142\" data-end=\"2284\"><p class=\"\" data-start=\"2145\" data-end=\"2284\"><strong data-start=\"2145\" data-end=\"2171\">Pas de contact direct :<\/strong> On \u00e9vite de t\u00e9l\u00e9phoner directement ou de prendre un rendez-vous personnel - parce que l'exp\u00e9diteur ne peut pas le faire.<\/p><\/li><\/ol><h4 data-start=\"2291\" data-end=\"2314\">Que faut-il faire ?<\/h4><ul data-start=\"2316\" data-end=\"2774\"><li class=\"\" data-start=\"2316\" data-end=\"2450\"><p class=\"\" data-start=\"2318\" data-end=\"2450\"><strong data-start=\"2318\" data-end=\"2346\">Ne pas donner de donn\u00e9es !<\/strong> Ne jamais envoyer d'informations sensibles par e-mail ou par Messenger sans avoir clairement v\u00e9rifi\u00e9 l'exp\u00e9diteur.<\/p><\/li><li class=\"\" data-start=\"2451\" data-end=\"2560\"><p class=\"\" data-start=\"2453\" data-end=\"2560\"><strong data-start=\"2453\" data-end=\"2476\">Poser des questions :<\/strong> En cas de doute, toujours se renseigner par t\u00e9l\u00e9phone ou en personne aupr\u00e8s de la personne concern\u00e9e.<\/p><\/li><li class=\"\" data-start=\"2561\" data-end=\"2680\"><p class=\"\" data-start=\"2563\" data-end=\"2680\"><strong data-start=\"2563\" data-end=\"2585\">Transf\u00e9rer le courrier :<\/strong> Signaler les e-mails suspects au service informatique ou au service de s\u00e9curit\u00e9 comp\u00e9tent dans l'entreprise.<\/p><\/li><li class=\"\" data-start=\"2681\" data-end=\"2774\"><p class=\"\" data-start=\"2683\" data-end=\"2774\"><strong data-start=\"2683\" data-end=\"2709\">Former \u00e0 la s\u00e9curit\u00e9 informatique :<\/strong> Informer r\u00e9guli\u00e8rement les collaborateurs sur les types de fraude actuels.<\/p><\/li><\/ul><h4 data-start=\"2781\" data-end=\"2790\">Conclusion<\/h4><p class=\"\" data-start=\"2792\" data-end=\"3023\">Les e-mails d'hame\u00e7onnage pr\u00e9tendument envoy\u00e9s par le patron ne sont plus un cas isol\u00e9, mais une astuce tr\u00e8s r\u00e9pandue chez les cybercriminels. La vigilance, le bon sens et un petit coup de fil de contr\u00f4le peuvent \u00e9viter bien des d\u00e9g\u00e2ts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a244430 e-flex e-con-boxed e-con e-parent\" data-id=\"a244430\" 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-709f08c elementor-widget__width-initial elementor-widget-tablet_extra__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"709f08c\" 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<h4><strong>Les syst\u00e8mes de s\u00e9curit\u00e9 de la messagerie aident<\/strong><\/h4><p><strong data-start=\"310\" data-end=\"341\">D\u00e9tection pr\u00e9coce et filtrage<br \/><\/strong>Syst\u00e8mes de s\u00e9curisation des e-mails Prot\u00e9ger le trafic d'e-mails en contr\u00f4lant les e-mails entrants sur les points suivants :<br \/>- Comportement de l'exp\u00e9diteur<br \/>- des mod\u00e8les de langage (par exemple, des formulations inhabituelles)<br \/>- Informations sur l'en-t\u00eate<br \/>- Anomalies dans la structure du domaine (par exemple \"firm4.de\" au lieu de \"firma.de\")<\/p><p class=\"\" data-start=\"580\" data-end=\"691\">De tels courriels sont souvent bloqu\u00e9s avant m\u00eame d'\u00eatre distribu\u00e9s ou d\u00e9plac\u00e9s dans une zone de quarantaine.<\/p><p><strong>En tant que partenaire accr\u00e9dit\u00e9 Hornetsecurity, nous avons acc\u00e8s \u00e0 l'ensemble du portefeuille de services :<\/strong><br \/><strong>de la s\u00e9curit\u00e9 de la messagerie, de la sauvegarde et de la sensibilisation \u00e0 la s\u00e9curit\u00e9.\u00a0<\/strong><\/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-2ad89ce elementor-widget__width-initial elementor-widget-tablet_extra__width-initial elementor-widget elementor-widget-image\" data-id=\"2ad89ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"176\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2024\/05\/Logo_Hornetsecurity_Silver_Partner_150px.webp\" class=\"attachment-large size-large wp-image-9472\" alt=\"\" \/>\t\t\t\t\t\t\t\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 class=\"elementor-element elementor-element-63dd9f6 elementor-blockquote--skin-boxed elementor-blockquote--align-center elementor-widget elementor-widget-blockquote\" data-id=\"63dd9f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\t<b>Votre partenaire pour la s\u00e9curit\u00e9 des e-mails - Flying Supporter<br><br><\/b>Vous avez des questions sur la s\u00e9curit\u00e9 de la messagerie ?\n<br>Nous nous ferons un plaisir de vous aider.\t\t\t<\/p>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49583b2 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"49583b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/flyingsupporter.ch\/fr\/contact-equipe\/#form\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous maintenant<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Dans de nombreuses entreprises, les rapports concernant des e-mails d'hame\u00e7onnage semblant provenir de sup\u00e9rieurs hi\u00e9rarchiques ou de la direction se multiplient actuellement. Particuli\u00e8rement insidieux : ces messages sont souvent formul\u00e9s comme s'ils venaient directement de leur propre chef - avec le nom, le titre et parfois m\u00eame la signature correspondante.<\/p>","protected":false},"author":24,"featured_media":10837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[95,74,77,73],"tags":[],"post_folder":[133],"class_list":["post-10835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-empfehlungen","category-news","category-sicherheit","category-technik"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"In vielen Unternehmen h\u00e4ufen sich derzeit Berichte \u00fcber Phishing-Mails, die scheinbar von Vorgesetzten oder der Gesch\u00e4ftsf\u00fchrung stammen. Besonders heimt\u00fcckisch: Diese Nachrichten sind oft so formuliert, als k\u00e4men sie direkt vom eigenen Chef \u2013 mit Name, Titel und manchmal sogar der passenden Signatur.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Harry Fontana\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/flyingsupporter.ch\/fr\/2025\/04\/22\/vorsicht-vor-phishing-mails-im-namen-des-chefs\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\n\t\t<!-- Google tag (gtag.js) -->\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=UA-260236989-1\"><\/script>\n<script>\n  window.dataLayer = window.dataLayer || [];\n  function gtag(){dataLayer.push(arguments);}\n  gtag('js', new Date());\n\n  gtag('config', 'UA-260236989-1');\n<\/script>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Flyingsupporter GmbH\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Vorsicht vor Phishing-Mails im Namen des Chefs \u00bb Flyingsupporter GmbH\" \/>\n\t\t<meta property=\"og:description\" content=\"In vielen Unternehmen h\u00e4ufen sich derzeit Berichte \u00fcber Phishing-Mails, die scheinbar von Vorgesetzten oder der Gesch\u00e4ftsf\u00fchrung stammen. Besonders heimt\u00fcckisch: Diese Nachrichten sind oft so formuliert, als k\u00e4men sie direkt vom eigenen Chef \u2013 mit Name, Titel und manchmal sogar der passenden Signatur.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/flyingsupporter.ch\/fr\/2025\/04\/22\/vorsicht-vor-phishing-mails-im-namen-des-chefs\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2021\/07\/favcicon3-1.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2021\/07\/favcicon3-1.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-04-22T05:16:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-08-31T11:24:05+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/flyingsupporter\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Vorsicht vor Phishing-Mails im Namen des Chefs \u00bb Flyingsupporter GmbH\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In vielen Unternehmen h\u00e4ufen sich derzeit Berichte \u00fcber Phishing-Mails, die scheinbar von Vorgesetzten oder der Gesch\u00e4ftsf\u00fchrung stammen. 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