{"id":25971,"date":"2026-03-24T14:14:04","date_gmt":"2026-03-24T13:14:04","guid":{"rendered":"https:\/\/perseus.de\/authentification-multi-facteurs-mfa\/"},"modified":"2026-03-27T11:28:08","modified_gmt":"2026-03-27T10:28:08","slug":"authentification-multi-facteurs-mfa","status":"publish","type":"post","link":"https:\/\/perseus.de\/fr\/authentification-multi-facteurs-mfa\/","title":{"rendered":"Authentification multi-facteurs (MFA)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"25971\" class=\"elementor elementor-25971 elementor-25683\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cab3f18 e-flex e-con-boxed e-con e-parent\" data-id=\"cab3f18\" 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-2a02b8b e-con-full e-flex e-con e-child\" data-id=\"2a02b8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f80ded elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4f80ded\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Authentification multi-facteurs (MFA)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d061a7 elementor-widget elementor-widget-image\" data-id=\"2d061a7\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png\" class=\"attachment-medium size-medium wp-image-25818\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-150x150.png 150w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-768x768.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a5266f9 e-flex e-con-boxed e-con e-parent\" data-id=\"a5266f9\" 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-ee486ee e-con-full e-flex e-con e-child\" data-id=\"ee486ee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44f65d4 elementor-widget elementor-widget-text-editor\" data-id=\"44f65d4\" 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>L&rsquo;authentification multifactorielle (MFA) est une proc\u00e9dure de s\u00e9curit\u00e9 qui exige que les utilisateurs se connectent avec au moins deux facteurs diff\u00e9rents. En plus d&rsquo;un mot de passe, une autre preuve est donc exig\u00e9e, par exemple un code sur le smartphone. <\/p><h4>Que signifie MFA en d\u00e9tail ?<\/h4><p>L&rsquo;AMF combine diff\u00e9rents types de preuves :<\/p><ul><li>Connaissance (par exemple, mot de passe)<\/li><li>Possession (par ex. smartphone ou jeton)<\/li><li>Propri\u00e9t\u00e9 (par exemple, empreinte digitale)<\/li><\/ul><p>M\u00eame si un mot de passe est vol\u00e9, une personne non autoris\u00e9e ne peut pas se connecter sans le second facteur. L&rsquo;AMF est donc l&rsquo;une des mesures les plus efficaces contre les acc\u00e8s non autoris\u00e9s. <\/p><h4> <\/h4><h4>O\u00f9 est-ce que je rencontre ce th\u00e8me dans mon travail quotidien ?<\/h4><ul><li>Lors de la connexion aux bo\u00eetes aux lettres \u00e9lectroniques ou aux services de cloud computing<\/li><li>Acc\u00e8s aux syst\u00e8mes d&rsquo;entreprise en d\u00e9placement<\/li><li>Lors des op\u00e9rations bancaires en ligne ou d&rsquo;autres applications sensibles<\/li><\/ul><h4> <\/h4><h4>Que puis-je faire pour am\u00e9liorer ma s\u00e9curit\u00e9 ?<\/h4><ul><li>Activer l&rsquo;AMF partout o\u00f9 il est propos\u00e9<\/li><li>Ne jamais communiquer les codes de confirmation<\/li><li>\u00catre attentif aux demandes de connexion inattendues<\/li><\/ul><p data-start=\"166\" data-end=\"206\"><strong data-start=\"166\" data-end=\"206\">Exemple pratique issu du travail quotidien<\/strong><\/p><p data-start=\"208\" data-end=\"450\">Imaginez qu&rsquo;une employ\u00e9e se connecte le matin \u00e0 sa bo\u00eete e-mail.<br data-start=\"297\" data-end=\"300\">Elle saisit son mot de passe comme d&rsquo;habitude (connaissance). Elle re\u00e7oit ensuite une demande sur son smartphone (possession) qu&rsquo;elle doit confirmer en cliquant dessus. <\/p><p data-start=\"452\" data-end=\"739\">Un jour, son mot de passe est intercept\u00e9 par un e-mail d&rsquo;hame\u00e7onnage. Une personne \u00e9trang\u00e8re tente alors de se connecter \u00e0 son compte de messagerie.<br data-start=\"595\" data-end=\"598\">Bien que le mot de passe soit correct, la connexion \u00e9choue &#8211; car l&rsquo;attaquant ne peut pas effectuer la deuxi\u00e8me confirmation sur le smartphone. <\/p><p data-start=\"741\" data-end=\"924\">Au lieu de cela, l&#8217;employ\u00e9e re\u00e7oit une demande de connexion inattendue sur son t\u00e9l\u00e9phone portable et se rend imm\u00e9diatement compte que <em data-start=\"843\" data-end=\"869\">quelque chose ne va pas.<\/em> Elle signale l&rsquo;incident au service informatique et change son mot de passe.<\/p><p data-start=\"926\" data-end=\"1013\"><strong data-start=\"929\" data-end=\"942\">Remarque :<\/strong> l&rsquo;AMF a permis d&#8217;emp\u00eacher avec succ\u00e8s tout acc\u00e8s non autoris\u00e9.<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e4126a4 e-flex e-con-boxed e-con e-parent\" data-id=\"e4126a4\" 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-530dbeb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"530dbeb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Authentification multi-facteurs (MFA) L&rsquo;authentification multifactorielle (MFA) est une proc\u00e9dure de s\u00e9curit\u00e9 qui exige que les utilisateurs se connectent avec au moins deux facteurs diff\u00e9rents. En plus d&rsquo;un mot de passe, une autre preuve est donc exig\u00e9e, par exemple un code sur le smartphone. Que signifie MFA en d\u00e9tail ? L&rsquo;AMF combine diff\u00e9rents types de preuves [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-25971","post","type-post","status-publish","format-standard","hentry","category-cyberlexique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Authentification multi-facteurs (MFA) - Perseus Technologies<\/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:\/\/perseus.de\/fr\/authentification-multi-facteurs-mfa\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Authentification multi-facteurs (MFA) - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"Authentification multi-facteurs (MFA) L&rsquo;authentification multifactorielle (MFA) est une proc\u00e9dure de s\u00e9curit\u00e9 qui exige que les utilisateurs se connectent avec au moins deux facteurs diff\u00e9rents. En plus d&rsquo;un mot de passe, une autre preuve est donc exig\u00e9e, par exemple un code sur le smartphone. Que signifie MFA en d\u00e9tail ? L&rsquo;AMF combine diff\u00e9rents types de preuves [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/perseus.de\/fr\/authentification-multi-facteurs-mfa\/\" \/>\n<meta property=\"og:site_name\" content=\"Perseus Technologies\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-24T13:14:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-27T10:28:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Xenia Silbe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Xenia Silbe\" \/>\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:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/\"},\"author\":{\"name\":\"Xenia Silbe\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#\\\/schema\\\/person\\\/42cdb0ff9720a4c92a2613f686b32f46\"},\"headline\":\"Authentification multi-facteurs (MFA)\",\"datePublished\":\"2026-03-24T13:14:04+00:00\",\"dateModified\":\"2026-03-27T10:28:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/\"},\"wordCount\":366,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Headerbild-Glossary-Page-300x300.png\",\"articleSection\":[\"Cyberlexique\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/\",\"url\":\"https:\\\/\\\/perseus.de\\\/fr\\\/authentification-multi-facteurs-mfa\\\/\",\"name\":\"Authentification multi-facteurs (MFA) - 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