{"id":37685,"date":"2023-12-14T15:36:36","date_gmt":"2023-12-14T14:36:36","guid":{"rendered":"https:\/\/www.wallix.com\/?p=37685"},"modified":"2025-11-18T09:36:15","modified_gmt":"2025-11-18T08:36:15","slug":"privilege-minimum-au-travail-pedm-et-defense-en-profondeur","status":"publish","type":"post","link":"https:\/\/www.wallix.com\/fr\/blogpost\/privilege-minimum-au-travail-pedm-et-defense-en-profondeur\/","title":{"rendered":"Privil\u00e8ge minimum au travail : PEDM et d\u00e9fense en profondeur"},"content":{"rendered":"<div class='flex_column_table av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f sc-av_two_third av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f\">\n#top .flex_column_table.av-equal-height-column-flextable.av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f{\nmargin-top:0px;\nmargin-bottom:0;\n}\n.flex_column.av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f{\npadding:50px 50px 50px 50px;\nbackground-color:#ffffff;\n}\n\n@media only screen and (max-width: 479px){ \n#top .flex_column_table.av-equal-height-column-flextable.av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f{\nmargin-top:-200px;\nmargin-bottom:0;\n}\n}\n<\/style>\n<div  class='flex_column av-m474lp44-d0ea8172a80c5f8eca1b1c7b4777a81f av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first no_margin flex_column_table_cell av-equal-height-column av-align-top  '     ><section  class='av_textblock_section av-mi4bk4mr-03be473878ab512b4bb6513bc237ab2a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Privil\u00e8ge minimum au travail : PEDM et d\u00e9fense en profondeur<\/h1>\n<\/div><\/section><br \/>\n<div  class='av-post-metadata-container av-av_post_metadata-36bcf33e90f22125c019c70beb35c7b9 av-metadata-container-align-left  avia-builder-el-2  el_after_av_textblock  el_before_av_hr  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-author\"  itemprop=\"author\" ><span class=\"av-metadata-before av-metadata-before-author\">by<\/span><span class=\"av-post-metadata-author-link\" ><a href=\"https:\/\/www.wallix.com\/fr\/author\/alex\/\"  rel=\"author\">WALLIX<\/a><\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-modified\"><span class=\"av-post-metadata-modified-date\" >18 Novembre 2025<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">in<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.wallix.com\/fr\/category\/blogpost\/\" >BLOGPOST<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.wallix.com\/fr\/category\/blogpost\/blog-endpoint-privilege-management-fr\/\" >ENDPOINT PRIVILEGE MANAGEMENT<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.wallix.com\/fr\/category\/blogpost\/gestion-des-acces-a-privileges-fr\/\" >GESTION DES ACC\u00c8S \u00c0 PRIVIL\u00c8GES<\/a><\/span><\/span><\/span><\/div><\/div><br \/>\n<div  class='hr av-av_hr-bca31578670ae9d408d6d6d291fc57a6 hr-default  avia-builder-el-3  el_after_av_post_metadata  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-lq5azxr1-84133e9d7e45b5445bd26c6d3560d80e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span id=\"hs_cos_wrapper_post_body\" class=\"hs_cos_wrapper hs_cos_wrapper_meta_field hs_cos_wrapper_type_rich_text\" data-hs-cos-general-type=\"meta_field\" data-hs-cos-type=\"rich_text\">Les cybermenaces sont nombreuses et vari\u00e9es, ce qui signifie que les mesures en mati\u00e8re de cybers\u00e9curit\u00e9 doivent \u00eatre tout aussi diverses et souples pour vraiment prot\u00e9ger votre organisation. Pour assurer cette souplesse, l\u2019application de deux principes majeurs est essentielle lors de la conception et de la mise en \u0153uvre de la cybers\u00e9curit\u00e9 : Privil\u00e8ge minimum et d\u00e9fense en profondeur<\/span><\/p>\n<p><span id=\"hs_cos_wrapper_post_body\" class=\"hs_cos_wrapper hs_cos_wrapper_meta_field hs_cos_wrapper_type_rich_text\" data-hs-cos-general-type=\"meta_field\" data-hs-cos-type=\"rich_text\">Le <a href=\"https:\/\/preview.hs-sites.com\/fr\/principe-de-moindre-privilege\" target=\"_blank\" rel=\"noopener\"><strong>principe du moindre privil\u00e8ge<\/strong><\/a>, ou POLP, est un concept facile \u00e0 comprendre car il dit d\u2019embl\u00e9e ce dont il s\u2019agit : S\u2019assurer que toute personne ayant acc\u00e8s \u00e0 des ressources \u00e0 privil\u00e8ges ne dispose de privil\u00e8ges que sur le minimum de ressources n\u00e9cessaires \u00e0 l\u2019accomplissement de ses t\u00e2ches. Cela implique \u00e9galement la mise en \u0153uvre de droits granulaires et pr\u00e9cis au lieu de privil\u00e8ges g\u00e9n\u00e9raux donnant acc\u00e8s \u00e0 tout. Cependant, bien que le concept lui-m\u00eame soit facile \u00e0 comprendre, son application peut s\u2019av\u00e9rer un d\u00e9fi pour les administrateurs et les autres utilisateurs pouvant potentiellement avoir besoin d\u2019acc\u00e9der \u00e0 un large \u00e9ventail de ressources \u00e0 privil\u00e8ges.<\/span><\/p>\n<blockquote>\n<div style=\"text-align: right; font-size: 18px;\"><strong><span style=\"color: #f37324;\"><em><span id=\"hs_cos_wrapper_post_body\" class=\"hs_cos_wrapper hs_cos_wrapper_meta_field hs_cos_wrapper_type_rich_text\" data-hs-cos-general-type=\"meta_field\" data-hs-cos-type=\"rich_text\">Bien que le principe du moindre privil\u00e8ge soit facile \u00e0 comprendre, sa mise en \u0153uvre peut constituer un d\u00e9fi.<\/span><\/em><\/span><\/strong><\/div>\n<\/blockquote>\n<p><span id=\"hs_cos_wrapper_post_body\" class=\"hs_cos_wrapper hs_cos_wrapper_meta_field hs_cos_wrapper_type_rich_text\" data-hs-cos-general-type=\"meta_field\" data-hs-cos-type=\"rich_text\">Garantir que toutes les personnes, m\u00eame les administrateurs, ne peuvent acc\u00e9der qu\u2019aux ressources pour lesquelles elles d\u00e9tiennent des privil\u00e8ges : c\u2019est ce qui se trouve au c\u0153ur de la gestion des acc\u00e8s \u00e0 privil\u00e8ges (PAM). Mais encore une fois, l\u2019application de la PAM aux administrateurs peut \u00eatre complexe, en raison \u00e0 la fois du large \u00e9ventail de t\u00e2ches qu\u2019ils doivent accomplir et de la quantit\u00e9 de ressources auxquelles ils pourraient l\u00e9gitimement avoir besoin d\u2019acc\u00e9der \u00e0 cette fin. C\u2019est l\u00e0 alors que la d\u00e9fense en profondeur entre en jeu.<\/span><\/p>\n<p>La <strong>d\u00e9fense en profondeur<\/strong>, en tant que principe de s\u00e9curit\u00e9, d\u00e9coule du fait que l\u2019application d\u2019une seule ligne de d\u00e9fense ne suffit tout simplement pas \u00e0 assurer la s\u00e9curit\u00e9 \u00e0 travers la structure complexe des ressources et des r\u00e9seaux des entreprises modernes. Il faut plut\u00f4t des niveaux de s\u00e9curit\u00e9 &#8211; une d\u00e9fense en profondeur &#8211; \u00e0 m\u00eame de faire face \u00e0 la complexit\u00e9 des syst\u00e8mes d\u2019entreprise. L\u2019application d\u2019une approche granulaire \u00e0 la PAM peut pr\u00e9cis\u00e9ment aller dans ce sens.<\/p>\n<p>Pour \u00eatre aussi pr\u00e9cis que possible, la PAM devrait s\u2019appliquer \u00e0 toutes les personnes ayant des droits \u00e9lev\u00e9s. Cela concerne en particulier les administrateurs qui, de par la nature de leur travail, ont souvent besoin d\u2019un acc\u00e8s \u00e9tendu \u00e0 des ressources sensibles, y compris des serveurs, des donn\u00e9es et des syst\u00e8mes informatiques critiques. Afin d\u2019assurer cette granularit\u00e9, et donc la d\u00e9fense en profondeur n\u00e9cessaire, <strong>certaines fonctionnalit\u00e9s cl\u00e9s doivent \u00eatre en place :<\/strong><\/p>\n<ul>\n<li>Les administrateurs, comme tous les utilisateurs, n\u2019ont besoin que du minimum de privil\u00e8ges requis pour faire leur travail.<\/li>\n<li>Si des ressources \u00e0 privil\u00e8ges sont potentiellement dangereuses car elles peuvent acc\u00e9der \u00e0 <em>d\u2019autres<\/em> ressources \u00e0 privil\u00e8ges &#8211; elles ont par exemple la possibilit\u00e9 de changer le registre syst\u00e8me ou les dossiers syst\u00e8me &#8211; ces actions et acc\u00e8s devraient \u00eatre automatiquement restreints.<\/li>\n<li>Tout cryptage effectu\u00e9 par une ressource devrait \u00eatre soumis \u00e0 un ensemble de r\u00e8gles de sorte qu\u2019un cryptage appropri\u00e9 (mots de passe ou num\u00e9ros de carte de cr\u00e9dit dans une base de donn\u00e9es, par exemple) soit autoris\u00e9, mais pas un cryptage illicite comme celui tent\u00e9 par un logiciel de ran\u00e7on.<\/li>\n<li>Une gestion des ressources d\u2019application en application doit \u00eatre en place. En d\u2019autres termes, certaines applications ne devraient jamais avoir un acc\u00e8s \u00e0 privil\u00e8ges, m\u00eame si l\u2019utilisateur est un administrateur avec ses propres droits privil\u00e9gi\u00e9s.<\/li>\n<\/ul>\n<p>L\u2019utilisation d\u2019une <a href=\"https:\/\/www.wallix.com\/fr\/produits\/gestion-des-acces-a-privileges\/\" target=\"_blank\" rel=\"noopener\">solution PAM<\/a> dot\u00e9e de ce type de fonctionnalit\u00e9 garantit \u00e0 la fois le respect du principe du privil\u00e8ge minimum et assure les niveaux de d\u00e9fense n\u00e9cessaires pour garantir la s\u00e9curit\u00e9. Pour ce faire, elle veille \u00e0 ce que tous les utilisateurs \u00e0 privil\u00e8ges, y compris les super-administrateurs, ne puissent acc\u00e9der qu\u2019\u00e0 un minimum de ressources n\u00e9cessaires \u00e0 leur travail \u00e0 un moment donn\u00e9, et que les ressources elles-m\u00eames ne puissent pas \u00eatre utilis\u00e9es \u00e0 leur tour pour acc\u00e9der \u00e0 d\u2019autres ressources \u00e0 privil\u00e8ges.<\/p>\n<p>Pour finir, il est \u00e9galement important que, si la d\u00e9fense en profondeur et les privil\u00e8ges minimaux et granulaires peuvent fournir la complexit\u00e9 n\u00e9cessaire pour contrer les menaces complexes, l\u2019application de ces principes doit \u00eatre aussi simple et transparente que possible. Autrement dit, m\u00eame si la d\u00e9fense doit \u00eatre complexe, le syst\u00e8me lui-m\u00eame doit \u00eatre facile \u00e0 g\u00e9rer &#8211; sinon il ne sera pas utilis\u00e9 &#8211; et doit \u00eatre aussi transparent que possible pour les utilisateurs, de sorte que les effets sur l\u2019ex\u00e9cution de leurs t\u00e2ches n\u00e9cessaires soient n\u00e9gligeables.<\/p>\n<p><strong><span style=\"color: #f37324;\"><span id=\"hs_cos_wrapper_post_body\" class=\"hs_cos_wrapper hs_cos_wrapper_meta_field hs_cos_wrapper_type_rich_text\" data-hs-cos-general-type=\"meta_field\" data-hs-cos-type=\"rich_text\">Les cybermenaces sont r\u00e9elles, et ce n\u2019est que par la cr\u00e9ation d\u2019un syst\u00e8me de cybers\u00e9curit\u00e9 recourant \u00e0 un minimum de privil\u00e8ges, avec un ensemble de fonctionnalit\u00e9s approfondies et une facilit\u00e9 d\u2019utilisation, que les entreprises peuvent esp\u00e9rer \u00e9carter ces menaces.<\/span><\/span><\/strong><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_third-8b3a908a4c9229354e4fe1a0efcfaf36\">\n#top .flex_column_table.av-equal-height-column-flextable.av-av_one_third-8b3a908a4c9229354e4fe1a0efcfaf36{\nmargin-top:0px;\nmargin-bottom:0;\n}\n.flex_column.av-av_one_third-8b3a908a4c9229354e4fe1a0efcfaf36{\npadding:50px 50px 50px 50px;\nbackground-color:#ffffff;\n}\n\n@media only screen and (max-width: 479px){ \n#top .flex_column_table.av-equal-height-column-flextable.av-av_one_third-8b3a908a4c9229354e4fe1a0efcfaf36{\nmargin-top:-200px;\nmargin-bottom:0;\n}\n}\n<\/style>\n<div  class='flex_column av-av_one_third-8b3a908a4c9229354e4fe1a0efcfaf36 av_one_third  avia-builder-el-5  el_after_av_two_third  avia-builder-el-last  no_margin flex_column_table_cell av-equal-height-column av-align-top  '     ><p><div  class='av-social-sharing-box 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Autoclose: 1 --><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":36305,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[1640,1700,1788],"tags":[],"class_list":["post-37685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogpost","category-blog-endpoint-privilege-management-fr","category-gestion-des-acces-a-privileges-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Privil\u00e8ge minimum au travail : PEDM et d\u00e9fense en profondeur - WALLIX<\/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:\/\/www.wallix.com\/fr\/blogpost\/privilege-minimum-au-travail-pedm-et-defense-en-profondeur\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Privil\u00e8ge minimum au travail : PEDM et d\u00e9fense en profondeur - 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