{"id":12948,"date":"2026-04-14T07:51:38","date_gmt":"2026-04-14T05:51:38","guid":{"rendered":"https:\/\/flyingsupporter.ch\/?p=12948"},"modified":"2026-08-31T10:23:55","modified_gmt":"2026-08-31T08:23:55","slug":"comment-les-pirates-semparent-des-comptes-microsoft-365-et-pourquoi-lattaque-est-souvent-indetectable","status":"publish","type":"post","link":"https:\/\/flyingsupporter.ch\/fr\/2026\/04\/14\/wie-hacker-microsoft-365-konten-uebernehmen-und-warum-man-den-angriff-oft-nicht-erkennt\/","title":{"rendered":"Comment les pirates s'emparent des comptes Microsoft 365 - et pourquoi on ne reconna\u00eet souvent pas l'attaque"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12948\" class=\"elementor elementor-12948\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52adb76 e-flex e-con-boxed e-con e-parent\" data-id=\"52adb76\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-68f15df e-con-full e-flex e-con e-child\" data-id=\"68f15df\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-44cba34 e-con-full e-flex e-con e-child\" data-id=\"44cba34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48725cb elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"48725cb\" 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><strong>De nombreuses entreprises utilisent Microsoft 365 pour la messagerie, les fichiers et la collaboration. C'est pr\u00e9cis\u00e9ment pour cette raison que les pirates attaquent ces comptes de mani\u00e8re cibl\u00e9e. Une m\u00e9thode particuli\u00e8rement dangereuse consiste \u00e0 utiliser un compte pirat\u00e9 pour tromper d'autres personnes.<br \/><\/strong><\/p><h4>1. comment l'attaque commence<\/h4><p>Tout commence presque toujours par un e-mail falsifi\u00e9.<\/p><p>Exemples typiques :<\/p><ul><li>\u00abVous avez un nouveau message vocal\u00bb<\/li><li>\u00abUn document a \u00e9t\u00e9 partag\u00e9 avec vous\u00bb<\/li><li>\u00abVotre mot de passe va bient\u00f4t expirer\u00bb<\/li><\/ul><p><br \/>Le courriel contient un lien. Celui-ci m\u00e8ne pr\u00e9tendument \u00e0 :<\/p><ul><li>d'un fichier sur OneDrive ou SharePoint<\/li><li>ou vers une page de connexion<\/li><\/ul><p class=\"p1\"><br \/><strong>probl\u00e8me :<\/strong><br \/>La page semble souvent <span class=\"s1\"><b>\u00e0 s'y m\u00e9prendre<\/b><\/span> ressemble \u00e0 une connexion Microsoft normale.<\/p><p class=\"p1\">Parfois, c'est m\u00eame un v\u00e9ritable site Microsoft qui est d\u00e9tourn\u00e9.<\/p><p class=\"p1\">Si l'on y entre ses donn\u00e9es d'acc\u00e8s (e-mail + mot de passe), celles-ci sont transmises aux pirates.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee8afc7 elementor-widget elementor-widget-image-gallery\" data-id=\"ee8afc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-gallery\">\n\t\t\t<div id='gallery-1' class='gallery galleryid-12948 gallery-columns-3 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"ee8afc7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NTksInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9vdXRsb29rLndlYnAiLCJzbGlkZXNob3ciOiJlZThhZmM3In0%3D\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook.webp'><img fetchpriority=\"high\" width=\"300\" height=\"182\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-300x182.webp\" class=\"attachment-medium size-medium\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-300x182.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-1024x621.webp 1024w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-768x466.webp 768w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-18x12.webp 18w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook-600x364.webp 600w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/outlook.webp 1175w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"ee8afc7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NTgsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9vbmVkcmkud2VicCIsInNsaWRlc2hvdyI6ImVlOGFmYzcifQ%3D%3D\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onedri.webp'><img width=\"300\" height=\"232\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onedri-300x232.webp\" class=\"attachment-medium size-medium\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onedri-300x232.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onedri-15x12.webp 15w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onedri.webp 484w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"ee8afc7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NTcsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9tcy53ZWJwIiwic2xpZGVzaG93IjoiZWU4YWZjNyJ9\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms.webp'><img width=\"265\" height=\"300\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-265x300.webp\" class=\"attachment-medium size-medium\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-265x300.webp 265w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-905x1024.webp 905w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-768x869.webp 768w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-11x12.webp 11w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms-600x679.webp 600w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/ms.webp 1093w\" sizes=\"(max-width: 265px) 100vw, 265px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\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-bc7453b elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"bc7453b\" 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>2. ce qui se passe apr\u00e8s le login<\/h4><p>D\u00e8s que les pirates ont acc\u00e8s \u00e0 un compte, ils continuent imm\u00e9diatement \u00e0 l'utiliser.<\/p><p>Vous pouvez alors<\/p><ul><li>Envoyer des e-mails au nom de la personne<\/li><li>acc\u00e9der aux contacts<\/li><li>lire et r\u00e9pondre \u00e0 des conversations par e-mail existantes<\/li><\/ul><p><strong><br \/>Ce qui est dangereux<\/strong><br \/><strong>Les e-mails proviennent d\u00e9sormais d'un exp\u00e9diteur r\u00e9el et connu.<\/strong><\/p><p>Caract\u00e9ristiques typiques :<\/p><ul><li>\u00abLe document a \u00e9t\u00e9 partag\u00e9 avec vous\u00bb<\/li><li>Bouton comme \u00abOpen\u00bb ou \u00abView document\u00bb<\/li><li>souvent pas d'approche personnelle<\/li><\/ul><p><strong><br \/>Important :<\/strong><br \/>Les liens m\u00e8nent souvent \u00e0 de v\u00e9ritables services Microsoft, ce qui rend la d\u00e9tection plus difficile.<\/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-17a603f elementor-widget elementor-widget-image-gallery\" data-id=\"17a603f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-gallery\">\n\t\t\t<div id='gallery-2' class='gallery galleryid-12948 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"17a603f\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NjYsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC90ZWFtLndlYnAiLCJzbGlkZXNob3ciOiIxN2E2MDNmIn0%3D\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team.webp'><img loading=\"lazy\" width=\"150\" height=\"150\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team-150x150.webp\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team-150x150.webp 150w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team-13x12.webp 13w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team-300x300.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/team-100x100.webp 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"17a603f\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NjUsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9vbmVub3RlLndlYnAiLCJzbGlkZXNob3ciOiIxN2E2MDNmIn0%3D\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onenote.webp'><img loading=\"lazy\" width=\"150\" height=\"150\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onenote-150x150.webp\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onenote-150x150.webp 150w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onenote-300x300.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/onenote-100x100.webp 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"17a603f\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NjMsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9saW5lX29uZWRyLndlYnAiLCJzbGlkZXNob3ciOiIxN2E2MDNmIn0%3D\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr.webp'><img loading=\"lazy\" width=\"150\" height=\"150\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr-150x150.webp\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr-150x150.webp 150w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr-12x12.webp 12w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr-300x300.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/line_onedr-100x100.webp 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"17a603f\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTI5NjQsInVybCI6Imh0dHBzOlwvXC9mbHlpbmdzdXBwb3J0ZXIuY2hcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA0XC9saW5rX29ucmRlci53ZWJwIiwic2xpZGVzaG93IjoiMTdhNjAzZiJ9\" href='https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder.webp'><img loading=\"lazy\" width=\"150\" height=\"150\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder-150x150.webp\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder-150x150.webp 150w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder-12x12.webp 12w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder-300x300.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/link_onrder-100x100.webp 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\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-2506efd elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"2506efd\" 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>3. comment l'attaque se propage<\/h4><p>C'est l\u00e0 que commence le v\u00e9ritable danger.<\/p><p>Le compte pirat\u00e9 envoie de nouveaux e-mails, par ex :<\/p><ul><li>avec un document OneNote<\/li><li>avec un lien SharePoint<\/li><li>avec un fichier OneDrive<\/li><\/ul><p><strong><br \/>penser au destinataire :<\/strong><br \/><em>\u00ab\u00c7a vient d'une personne connue - c'est s\u00fbr\u00bb.\u00bb<\/em><\/p><p>Vous cliquez sur le lien et devez vous reconnecter.<\/p><p>S'ils le font :<\/p><ul><li>leurs donn\u00e9es d'acc\u00e8s sont \u00e9galement vol\u00e9es<\/li><li>son compte est \u00e9galement pirat\u00e9<\/li><\/ul><p>Puis tout se r\u00e9p\u00e8te.<\/p><p>Ainsi, l'attaque se propage de plus en plus - comme une r\u00e9action en cha\u00eene.<\/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-706164d elementor-widget elementor-widget-image\" data-id=\"706164d\" 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 loading=\"lazy\" decoding=\"async\" width=\"439\" height=\"336\" src=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/attack.webp\" class=\"attachment-large size-large wp-image-12970\" alt=\"\" srcset=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/attack.webp 439w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/attack-300x230.webp 300w, https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2026\/04\/attack-16x12.webp 16w\" sizes=\"(max-width: 439px) 100vw, 439px\" \/>\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<div class=\"elementor-element elementor-element-f154516 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"f154516\" 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>4. pourquoi cette fraude est si difficile \u00e0 d\u00e9tecter<\/h4><p>Autrefois, les e-mails de phishing \u00e9taient souvent faciles \u00e0 reconna\u00eetre. Aujourd'hui, c'est diff\u00e9rent.<\/p><p>Ces attaques sont difficiles parce que<\/p><ul><li>l'exp\u00e9diteur est authentique<\/li><li>Le courrier provient vraiment du compte d'un coll\u00e8gue ou d'un partenaire.<\/li><li>Les liens semblent r\u00e9els<\/li><\/ul><p><br \/>Les fichiers se trouvent souvent sur de v\u00e9ritables services Microsoft tels que :<\/p><ul><li>OneDrive<\/li><li>SharePoint<\/li><\/ul><p><br \/>Tout semble \u00abnormal<\/p><ul><li>noms connus<\/li><li>th\u00e8mes connus<\/li><li>Historique r\u00e9el des e-mails<\/li><\/ul><p><br \/>Cela signifie que<br \/>On ne peut plus se fier au fait que \u00abqui a l'air bizarre = dangereux\u00bb.<br \/><br \/><\/p><h4>5. comment reconna\u00eetre l'attaque malgr\u00e9 tout<\/h4><p>Il y a des signes avant-coureurs :<\/p><p><strong>Des nouvelles inattendues<\/strong><\/p><ul><li>Vous recevez soudain un fichier que vous n'attendiez pas<\/li><li>surtout avec impression : \u00abVeuillez ouvrir imm\u00e9diatement\u00bb<\/li><\/ul><p><strong><br \/>R\u00e9inscription<\/strong><\/p><ul><li>Vous devez vous connecter alors que vous \u00eates d\u00e9j\u00e0 inscrit(e)<\/li><\/ul><p style=\"text-align: left;\"><strong><br \/><span style=\"text-decoration: underline;\">! !! C'est un signal d'alarme fort ! !!<\/span><\/strong><\/p><p><strong>Comportement inhabituel<\/strong><\/p><ul><li>Un coll\u00e8gue envoie quelque chose sans explication<\/li><li>Le message ne correspond pas \u00e0 la conversation pr\u00e9c\u00e9dente<\/li><\/ul><p><strong><br \/>L\u00e9g\u00e8res incoh\u00e9rences<\/strong><\/p><ul><li>des formulations \u00e9tranges<\/li><li>textes tr\u00e8s g\u00e9n\u00e9raux<br \/><br \/><\/li><\/ul><h4>6. les astuces modernes des attaquants<\/h4><p>Les nouvelles attaques fonctionnent m\u00eame sans vol de mot de passe.<\/p><p><strong>exemple :<\/strong><\/p><ul><li>Vous recevez un code et devez le saisir sur un vrai site Microsoft<\/li><li>vous donnez ainsi indirectement acc\u00e8s \u00e0 votre compte<br \/><br \/><\/li><\/ul><p><span style=\"text-decoration: underline;\"><strong>Cela semble particuli\u00e8rement digne de confiance, mais il s'agit \u00e9galement d'une attaque.<br \/><br \/><\/strong><\/span><\/p><h4>7. comment se prot\u00e9ger<\/h4><p><strong>Pour les utilisateurs :<\/strong><\/p><p><strong>Ne pas utiliser les liens des e-mails pour se connecter<\/strong><\/p><ul><li>pr\u00e9f\u00e9rer ouvrir soi-m\u00eame la page connue de Microsoft<\/li><\/ul><p><br \/><strong>En cas de fichiers inattendus :<\/strong><\/p><ul><li>Demander bri\u00e8vement \u00e0 l'exp\u00e9diteur directement (\u00abTu m'as vraiment envoy\u00e9 \u00e7a ?\u00bb)<\/li><\/ul><p><strong><br \/>Se m\u00e9fier de :<\/strong><\/p><ul><li>Pression (\u00aburgent\u00bb, \u00abimm\u00e9diatement\u00bb)<\/li><li>Invitations \u00e0 se connecter<\/li><\/ul><p>\u00a0<\/p><p><strong>Pour les entreprises :<\/strong><\/p><p>Demandes de s\u00e9curit\u00e9 suppl\u00e9mentaires lors de la connexion (par ex. confirmation de l'application)<br \/><br \/>Surveillance des activit\u00e9s inhabituelles :<\/p><ul><li>beaucoup de mails envoy\u00e9s<\/li><li>Connexions depuis d'autres pays<\/li><\/ul><p><strong><br \/>Important :<\/strong><br \/>La technique aide - mais l'attention de l'utilisateur est d\u00e9cisive.<\/p><p><strong>Si ces attaques sont si efficaces, c'est parce qu'elles exploitent la confiance :<\/strong><\/p><ul><li>comptes r\u00e9els<\/li><li>des services r\u00e9els<\/li><li>contacts r\u00e9els<br \/><br \/><\/li><\/ul><p>Cela leur donne l'air tout \u00e0 fait normal.<br \/><br \/><\/p><h4><strong>La r\u00e8gle la plus importante est donc<\/strong><\/h4><p><strong>Rester critique m\u00eame face \u00e0 des exp\u00e9diteurs connus.<\/strong><\/p><p><strong>Un bref moment de doute peut emp\u00eacher<\/strong><\/p><ul><li><strong>le compte personnel est pirat\u00e9<\/strong><\/li><li><strong>et que l'attaque se propage<\/strong><\/li><\/ul>\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-5e20699 elementor-blockquote--skin-boxed elementor-blockquote--align-center elementor-widget elementor-widget-blockquote\" data-id=\"5e20699\" 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 l'e-mail et la s\u00e9curit\u00e9- Flying Supporter<br><br><\/b> <b><a href=\"https:\/\/flyingsupporter.ch\/fr\/contact-equipe\/#form\">Vous avez des questions<\/a>?<\/b>\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-605597d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"605597d\" 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<\/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>De nombreuses entreprises utilisent Microsoft 365 pour la messagerie, les fichiers et la collaboration. C'est pr\u00e9cis\u00e9ment pour cette raison que les pirates attaquent ces comptes de mani\u00e8re cibl\u00e9e. Une m\u00e9thode particuli\u00e8rement dangereuse consiste \u00e0 utiliser un compte pirat\u00e9 pour tromper d'autres personnes.<\/p>","protected":false},"author":24,"featured_media":12950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[95,74,77],"tags":[],"post_folder":[138],"class_list":["post-12948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-empfehlungen","category-news","category-sicherheit"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Viele Unternehmen nutzen Microsoft 365 f\u00fcr E-Mail, Dateien und Zusammenarbeit. Genau deshalb greifen Hacker gezielt diese Konten an. 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