{"id":87160,"date":"2026-04-15T13:30:12","date_gmt":"2026-04-15T12:30:12","guid":{"rendered":"https:\/\/www.wallix.com\/ot-sicherheitsresilienz-vor-waehrend-und-nach-dem-vorfall\/"},"modified":"2026-04-15T14:49:28","modified_gmt":"2026-04-15T13:49:28","slug":"resilience-des-systemes-ot-face-aux-cybermenaces-avant-pendant-et-apres-lincident","status":"publish","type":"post","link":"https:\/\/www.wallix.com\/fr\/ressources\/whitepaper-fr\/resilience-des-systemes-ot-face-aux-cybermenaces-avant-pendant-et-apres-lincident\/","title":{"rendered":"R\u00e9silience des syst\u00e8mes OT face aux cybermenaces : Avant, pendant et apr\u00e8s l\u2019incident"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-llqd3j0a-23c494ca88f9c2fe58b15c1948581256\">\n.avia-section.av-llqd3j0a-23c494ca88f9c2fe58b15c1948581256{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/www.wallix.com\/wp-content\/uploads\/2026\/04\/ot-security-resiliencervb-1500x630.jpg);\nbackground-position:50% 0%;\nbackground-attachment:fixed;\n}\n.avia-section.av-llqd3j0a-23c494ca88f9c2fe58b15c1948581256 .av-section-color-overlay{\nopacity:0.5;\nbackground-color:#172542;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-llqd3j0a-23c494ca88f9c2fe58b15c1948581256 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_one_half  avia-builder-el-first  avia-full-stretch avia-bg-style-fixed av-section-color-overlay-active av-minimum-height av-minimum-height-25 av-height-25  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_pc='25' data-av_min_height_opt='25'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-87160'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-llqd2qd5-5623d8de805a7e686965ab3140609d8a\">\n#top .av-special-heading.av-llqd2qd5-5623d8de805a7e686965ab3140609d8a{\npadding-bottom:10px;\ncolor:#ffffff;\n}\nbody .av-special-heading.av-llqd2qd5-5623d8de805a7e686965ab3140609d8a .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-llqd2qd5-5623d8de805a7e686965ab3140609d8a .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-llqd2qd5-5623d8de805a7e686965ab3140609d8a .av-subheading{\nfont-size:15px;\ncolor:#ec6707;\n}\n<\/style>\n<div  class='av-special-heading av-llqd2qd5-5623d8de805a7e686965ab3140609d8a av-special-heading-h2 custom-color-heading blockquote modern-quote  avia-builder-el-1  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >AVIS D\u2019EXPERT<\/h2><div class='av_custom_color av-subheading av-subheading_below'><p>R\u00e9silience des syst\u00e8mes OT<br \/>\nface aux cybermenaces<br \/>\nAvant, pendant et apr\u00e8s l\u2019incident<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-87160'><div class='entry-content-wrapper clearfix'><div  class='flex_column av-6t8rfbf-dad27c32c927b9337e44b960fee15945 av_one_half  avia-builder-el-2  el_after_av_section  el_before_av_one_half  avia-builder-el-first  first flex_column_div  '     ><section  class='av_textblock_section av-llqd4b90-7e23934185328520e5d72a6c34e2a92c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>R\u00e9silience des syst\u00e8mes OT<br \/>\nface aux cybermenaces<br \/>\nAvant, pendant et apr\u00e8s l\u2019incident<\/h3>\n<section class=\"text-token-text-primary w-full focus:outline-none &#091;--shadow-height:45px&#093; has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) &#091;&amp;:has(&#091;data-writing-block&#093;)&gt;*&#093;:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-&#091;calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))&#093; scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"3971b3f2-3741-41e4-aec8-f103ea32bc2b\" data-testid=\"conversation-turn-9\" data-scroll-anchor=\"false\" data-turn=\"user\">\n<div class=\"text-base my-auto mx-auto pt-12 &#091;--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))&#093; @w-sm\/main:&#091;--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))&#093; @w-lg\/main:&#091;--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))&#093; px-(--thread-content-margin)\">\n<div class=\"&#091;--thread-content-max-width:40rem&#093; @w-lg\/main:&#091;--thread-content-max-width:48rem&#093; mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col\">\n<div class=\"z-0 flex justify-end\"><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"text-token-text-primary w-full focus:outline-none &#091;--shadow-height:45px&#093; has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) &#091;&amp;:has(&#091;data-writing-block&#093;)&gt;*&#093;:pointer-events-auto &#091;content-visibility:auto&#093; supports-&#091;content-visibility:auto&#093;:&#091;contain-intrinsic-size:auto_100lvh&#093; R6Vx5W_threadScrollVars scroll-mb-&#091;calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))&#093; scroll-mt-&#091;calc(var(--header-height)+min(200px,max(70px,20svh)))&#093;\" dir=\"auto\" data-turn-id=\"request-WEB:820916a7-9efc-4a06-bf25-d18dd93d78fa-4\" data-testid=\"conversation-turn-10\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 &#091;--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))&#093; @w-sm\/main:&#091;--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))&#093; @w-lg\/main:&#091;--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))&#093; px-(--thread-content-margin)\">\n<div class=\"&#091;--thread-content-max-width:40rem&#093; @w-lg\/main:&#091;--thread-content-max-width:48rem&#093; mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring &#091;.text-message+&amp;&#093;:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"667084b5-1b3b-4e14-bbcc-215dcc47749b\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p data-start=\"0\" data-end=\"1340\" data-is-last-node=\"\" data-is-only-node=\"\">Les organisations industrielles ont longtemps renforc\u00e9 leurs d\u00e9fenses p\u00e9rim\u00e9triques ; cependant, le paysage des menaces \u00e9volue plus rapidement que ces efforts. Ainsi, le secteur manufacturier reste, pour la cinqui\u00e8me ann\u00e9e cons\u00e9cutive, la principale cible des ransomwares.<br data-start=\"274\" data-end=\"277\" \/>Par cons\u00e9quent, l\u2019impact financier est consid\u00e9rable, avec un co\u00fbt moyen de violation de donn\u00e9es atteignant 5,56 millions de dollars en 2024.<br data-start=\"417\" data-end=\"420\" \/>De plus, les arr\u00eats de production non planifi\u00e9s peuvent co\u00fbter jusqu\u2019\u00e0 125 000 dollars par heure. Au total, ces incidents entra\u00eenent des interruptions de production, des perturbations des cha\u00eenes d\u2019approvisionnement et des pertes de revenus significatives.<\/p>\n<p data-start=\"0\" data-end=\"1340\" data-is-last-node=\"\" data-is-only-node=\"\">Dans ce contexte, les priorit\u00e9s des directions \u00e9voluent vers une approche plus globale. D\u00e8s lors, la cyberr\u00e9silience s\u2019impose comme un enjeu strat\u00e9gique majeur, comme le souligne Gartner. Autrement dit, il ne suffit plus de pr\u00e9venir, mais il faut aussi anticiper, r\u00e9sister et se r\u00e9tablir face aux incidents. Parall\u00e8lement, la directive europ\u00e9enne NIS2 renforce cette dynamique en imposant des exigences strictes en mati\u00e8re de continuit\u00e9 et de gestion de crise.<\/p>\n<p data-start=\"0\" data-end=\"1340\" data-is-last-node=\"\" data-is-only-node=\"\"><strong>D\u00e9couvrez comment les leaders industriels transforment les cybermenaces en avantage comp\u00e9titif gr\u00e2ce \u00e0 un cadre de r\u00e9silience concret, pens\u00e9 pour maintenir les op\u00e9rations en continu.<\/strong><\/p>\n<\/div>\n<p data-start=\"0\" data-end=\"1340\" data-is-last-node=\"\" data-is-only-node=\"\"><strong>Lisez ce livre blanc !<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div><\/section><br \/>\n<div  class='av-social-sharing-box av-668nm0b-9c0ca1227c9b1392fa8f103039235b54 av-social-sharing-box-default  avia-builder-el-4  el_after_av_textblock  avia-builder-el-last  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><h5 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SAAS<\/a><\/h3><\/header><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div><\/div><\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":87161,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[1660,1791,1749,1654],"tags":[],"class_list":["post-87160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whitepaper-audit-compliance-fr","category-gestion-des-acces-a-privileges-fr-2","category-industrie-fr-2","category-whitepaper-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9silience des syst\u00e8mes OT face aux cybermenaces : Avant, pendant et apr\u00e8s l\u2019incident - WALLIX<\/title>\n<meta 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