{"id":148,"date":"2024-01-15T17:15:25","date_gmt":"2024-01-15T17:15:25","guid":{"rendered":"https:\/\/cyber-resilience.mobi\/?p=148"},"modified":"2024-01-15T17:15:25","modified_gmt":"2024-01-15T17:15:25","slug":"quelle-est-lefficacite-du-mfa-avec-la-methode-du-multiplicateur-de-reference","status":"publish","type":"post","link":"https:\/\/cyber-resilience.mobi\/?p=148","title":{"rendered":"Quelle est l\u2019efficacit\u00e9 du MFA avec la m\u00e9thode du multiplicateur de r\u00e9f\u00e9rence?"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><strong>Objectif de l\u2019\u00e9tude<\/strong>&nbsp;: \u00c9valuer l\u2019efficacit\u00e9 de l\u2019authentification multifacteur (MFA) pour prot\u00e9ger les comptes commerciaux des acc\u00e8s non autoris\u00e9s, en particulier ceux dont les identifiants ont \u00e9t\u00e9 divulgu\u00e9s.<\/li>\n\n\n\n<li><strong>M\u00e9thodologie<\/strong>&nbsp;: Utiliser la m\u00e9thode du multiplicateur de r\u00e9f\u00e9rence, coupl\u00e9e \u00e0 une revue manuelle des comptes, pour analyser les performances de s\u00e9curit\u00e9 de diverses m\u00e9thodes de MFA dans un grand ensemble de donn\u00e9es d\u2019utilisateurs de Microsoft Azure Active Directory pr\u00e9sentant une activit\u00e9 suspecte.<\/li>\n\n\n\n<li><strong>R\u00e9sultats principaux<\/strong>&nbsp;: L\u2019impl\u00e9mentation de la MFA offre une protection exceptionnelle, avec plus de 99,99 % des comptes activ\u00e9s par la MFA restant s\u00e9curis\u00e9s pendant la p\u00e9riode d\u2019enqu\u00eate. De plus, la MFA r\u00e9duit le risque de compromission de 99,22 % dans l\u2019ensemble de la population et de 98,56 % dans les cas de fuite d\u2019identifiants. Les applications d\u00e9di\u00e9es \u00e0 la MFA, telles que Microsoft Authenticator, sont plus performantes que l\u2019authentification bas\u00e9e sur les SMS, bien que les deux m\u00e9thodes offrent une s\u00e9curit\u00e9 nettement am\u00e9lior\u00e9e par rapport \u00e0 l\u2019absence de MFA.<\/li>\n\n\n\n<li><strong>Conclusion<\/strong>&nbsp;: L\u2019\u00e9tude recommande fortement l\u2019activation par d\u00e9faut de la MFA dans les comptes commerciaux pour renforcer les mesures de cybers\u00e9curit\u00e9, comme l\u2019exigent d\u00e9j\u00e0 de nombreuses institutions.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[32],"class_list":["post-148","post","type-post","status-publish","format-standard","hentry","category-defense","tag-mfa"],"_links":{"self":[{"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/posts\/148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=148"}],"version-history":[{"count":1,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions"}],"predecessor-version":[{"id":149,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions\/149"}],"wp:attachment":[{"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cyber-resilience.mobi\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}