{"id":37568,"date":"2023-12-14T10:48:57","date_gmt":"2023-12-14T09:48:57","guid":{"rendered":"https:\/\/www.wallix.com\/?p=37568"},"modified":"2025-09-04T15:48:46","modified_gmt":"2025-09-04T14:48:46","slug":"universal-tunneling-connectez-vous-en-toute-securite-a-lot","status":"publish","type":"post","link":"https:\/\/www.wallix.com\/fr\/blogpost\/universal-tunneling-connectez-vous-en-toute-securite-a-lot\/","title":{"rendered":"Universal tunneling : Connexions OT simples et s\u00e9curis\u00e9es"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_two_third  avia-builder-el-first   container_wrap fullsize'  ><div  class='avia-slideshow av-llqmd7f5-79bc7511c5f42a3e760dfd930a4b9918 avia-slideshow-entry_without_sidebar av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 34.95867768595%;'><li  class='avia-slideshow-slide av-llqmd7f5-79bc7511c5f42a3e760dfd930a4b9918__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '  title='Engineer Inspecting Tunnel at Hydropower Plant. Female engineer in orange safety gear inspecting a tunnel at a hydroelectric power plant, highlighting the critical infrastructure.' ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-59013 avia-img-lazy-loading-not-59013\"  src=\"https:\/\/www.wallix.com\/wp-content\/uploads\/2024\/06\/AdobeStock_832934032-1210x423.jpeg\" width=\"1210\" height=\"423\" title='Engineer Inspecting Tunnel at Hydropower Plant. Female engineer in orange safety gear inspecting a tunnel at a hydroelectric power plant, highlighting the critical infrastructure.' alt='Engineer Inspecting Tunnel at Hydropower Plant. Female engineer in orange safety gear inspecting a tunnel at a hydroelectric power plant, highlighting the critical infrastructure.'  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_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-37568'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-h0ryq4-f09cb621b4eda8ccf2801841c352616f sc-av_two_third av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-h0ryq4-f09cb621b4eda8ccf2801841c352616f\">\n#top .flex_column_table.av-equal-height-column-flextable.av-h0ryq4-f09cb621b4eda8ccf2801841c352616f{\nmargin-top:-300px;\nmargin-bottom:0px;\n}\n.flex_column.av-h0ryq4-f09cb621b4eda8ccf2801841c352616f{\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-h0ryq4-f09cb621b4eda8ccf2801841c352616f{\nmargin-top:-200px;\n}\n}\n<\/style>\n<div  class='flex_column av-h0ryq4-f09cb621b4eda8ccf2801841c352616f av_two_third  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_third  avia-builder-el-first  first no_margin flex_column_table_cell av-equal-height-column av-align-top  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lq0ticqw-78e2b23d5711553068f648e20940c378\">\n#top .av-special-heading.av-lq0ticqw-78e2b23d5711553068f648e20940c378{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lq0ticqw-78e2b23d5711553068f648e20940c378 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lq0ticqw-78e2b23d5711553068f648e20940c378 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lq0ticqw-78e2b23d5711553068f648e20940c378 av-special-heading-h1 blockquote modern-quote  avia-builder-el-2  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Tunnel universel : Connexions OT simples et s\u00e9curis\u00e9es<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-llqme40s-80b720167f98ca638f2f773da4471a7c\">\n#top .av_textblock_section.av-llqme40s-80b720167f98ca638f2f773da4471a7c .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-llqme40s-80b720167f98ca638f2f773da4471a7c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Unique \u00e0 WALLIX, l&rsquo;Universal Tunneling permet aux utilisateurs de b\u00e9n\u00e9ficier de toute la puissance et de la facilit\u00e9 du WALLIX PAM tout en simplifiant l&rsquo;exp\u00e9rience de l&rsquo;utilisateur.<\/p>\n<h3><strong>Environnements de processus de plus en plus expos\u00e9s <\/strong><\/h3>\n<p>Pendant de nombreuses ann\u00e9es, les r\u00e9seaux dits \u00ab\u00a0industriels\u00a0\u00bb et \u00ab\u00a0de bureau\u00a0\u00bb sont rest\u00e9s bien s\u00e9par\u00e9s. Les technologies et les besoins diff\u00e9raient, tout comme les d\u00e9fis et les risques auxquels chaque secteur d&rsquo;activit\u00e9 \u00e9tait confront\u00e9.<\/p>\n<p>Aujourd&rsquo;hui, cependant, l&rsquo;OT s&rsquo;appuie sur des technologies informatiques mais adapt\u00e9es aux contraintes de s\u00fbret\u00e9 de fonctionnement qui caract\u00e9risent l&rsquo;industrie. La maintenance des composants IT-OT n&rsquo;\u00e9chappe pas au besoin de s\u00e9curit\u00e9. Malheureusement, la prolif\u00e9ration des points d&rsquo;acc\u00e8s au r\u00e9seau, s\u00e9curis\u00e9s ou non, est caract\u00e9ristique de la num\u00e9risation massive des environnements industriels.<\/p>\n<p>En 2020, le CERT ICS de Kaspersky a observ\u00e9 une augmentation de 53 % de l&rsquo;acc\u00e8s \u00e0 distance aux environnements OT et, dans le m\u00eame temps, une <em>r\u00e9duction<\/em> moyenne des budgets de cybers\u00e9curit\u00e9 de 24 %.<\/p>\n<p>L&rsquo;acc\u00e8s \u00e0 distance g\u00e9n\u00e9ralis\u00e9, incontr\u00f4l\u00e9 et non surveill\u00e9 augmente consid\u00e9rablement la surface d&rsquo;attaque des environnements OT. Et dans un secteur o\u00f9 les donn\u00e9es sensibles et les implications publiques sont nombreuses, les cons\u00e9quences potentielles sont importantes, en termes de perte de co\u00fbts de production, de fuite de donn\u00e9es ou d&rsquo;impacts humains (s\u00e9curit\u00e9 publique, pr\u00e9occupations biom\u00e9dicales, etc.).<\/p>\n<h3><strong>Le contexte IT-OT<\/strong><\/h3>\n<p>Le secteur industriel est confront\u00e9 \u00e0 des r\u00e9glementations particuli\u00e8res et sp\u00e9cifiques en mati\u00e8re de s\u00e9curit\u00e9 informatique. La <a href=\"https:\/\/www.wallix.com\/resources\/whitepaper\/isa62443-compliance\/\">norme ISA\/CEI 62443-2\/3<\/a> d\u00e9finit une s\u00e9rie d&rsquo;exigences en mati\u00e8re d&rsquo;authentification et de gestion des droits d&rsquo;acc\u00e8s pour les op\u00e9rateurs et les fournisseurs de services travaillant sur des syst\u00e8mes d&rsquo;automatisation et de contr\u00f4le industriels (IACS).<\/p>\n<p>WALLIX s\u00e9curise les IACS en centralisant les connexions internes et externes, et en assurant une tra\u00e7abilit\u00e9 compl\u00e8te et des capacit\u00e9s d&rsquo;audit de toutes les activit\u00e9s de maintenance effectu\u00e9es dans l&rsquo;infrastructure. Cela permet aux organisations industrielles de surveiller toutes les actions de maintenance IT-OT et les connexions aux actifs sensibles.<\/p>\n<p>Cependant, pour assurer la continuit\u00e9 de la production, les fournisseurs de services et les op\u00e9rateurs doivent pouvoir acc\u00e9der \u00e0 leurs ressources de production sans contrainte d&rsquo;environnement, de lieu ou de temps.<\/p>\n<p><span style=\"color: #f4913a;\"><strong>Avec Universal Tunneling, WALLIX offre une exp\u00e9rience utilisateur simplifi\u00e9e adapt\u00e9e aux environnements OT complexes.<\/strong><\/span><\/p>\n<p>Les contraintes des sites industriels et des r\u00e9seaux distribu\u00e9s font qu&rsquo;il n&rsquo;est pas toujours possible de s&rsquo;appuyer sur des serveurs de saut pour acc\u00e9der aux ressources. Par exemple, certains prestataires de services disposent de leurs propres outils pour se connecter aux machines, avec leur propre configuration et leurs propres habitudes. Pour faciliter l&rsquo;efficacit\u00e9 de leur travail, il devient n\u00e9cessaire de s\u00e9curiser leur connexion directement de leur poste de travail \u00e0 la cible pour garantir l&rsquo;efficacit\u00e9 op\u00e9rationnelle.<\/p>\n<p>Certaines donn\u00e9es de programmation confidentielles ne peuvent pas \u00eatre partag\u00e9es sur la m\u00eame station d&rsquo;ing\u00e9nierie par plusieurs fournisseurs. Le versioning des outils d&rsquo;administration ne peut pas \u00eatre commun \u00e0 tous les automates d&rsquo;un m\u00eame fabricant.<\/p>\n<p>Gr\u00e2ce \u00e0 l&rsquo;Universal Tunneling avec le WALLIX PAM, ces d\u00e9fis ne sont plus un probl\u00e8me, rendant simple et efficace la connexion des administrateurs informatiques et des \u00e9quipements aux ressources n\u00e9cessaires pour effectuer les t\u00e2ches critiques.<\/p>\n<h2><strong>Tunnel universel<\/strong><\/h2>\n<p>Gr\u00e2ce \u00e0 cet outil unique, les principaux obstacles \u00e0 la mise en \u0153uvre d&rsquo;une <a href=\"https:\/\/www.wallix.com\/fr\/produits\/gestion-des-acces-a-privileges\/\" target=\"_blank\" rel=\"noopener\">solution de gestion des acc\u00e8s privil\u00e9gi\u00e9s (PAM)<\/a> dans les environnements OT sont lev\u00e9s. Les protocoles industriels (par exemple Modbus, Profinet, Bacnet, EtherCAT, etc.) sont encapsul\u00e9s directement dans un tunnel SSH, ce qui permet aux fournisseurs de services de se connecter \u00e0 leurs PLC, passerelles et autres composants industriels, exactement comme ils le feraient sans Bastion.<\/p>\n<p>L&rsquo;authentification, la tra\u00e7abilit\u00e9 et le contr\u00f4le des sessions restent assur\u00e9s ; il n&rsquo;a jamais \u00e9t\u00e9 aussi facile de s\u00e9curiser la maintenance des actifs critiques en OT.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-13578 aligncenter\" src=\"https:\/\/www.wallix.com\/wp-content\/uploads\/2021\/02\/Universal_Tunneling_WALLIX_OT_security-300x125.png\" alt=\"\" width=\"413\" height=\"172\" \/><\/p>\n<p>Avec le <a href=\"https:\/\/www.wallix.com\/blogpost\/wallix-bastion-new-product-offerings\/\">WALLIX PAM<\/a>\u00a0complet avec Universal Tunneling, le risque de compromettre des postes de travail ou des serveurs \u00e0 la fin d&rsquo;un saut vers des ressources cibl\u00e9es par un attaquant est r\u00e9duit au strict minimum.<\/p>\n<p>La suppression des serveurs de saut permet :<\/p>\n<ul>\n<li>Une r\u00e9duction des co\u00fbts (serveurs, licences)<\/li>\n<li>Exp\u00e9rience utilisateur optimis\u00e9e<\/li>\n<li>S\u00e9curit\u00e9 renforc\u00e9e<\/li>\n<\/ul>\n<p>L&rsquo;Universal Tunneling favorise l&rsquo;adoption par les utilisateurs tout en r\u00e9duisant le TCO (Total Cost of Ownership) de la solution.<\/p>\n<h3><strong>Simplifier la s\u00e9curit\u00e9 de l&rsquo;acc\u00e8s aux technologies de l&rsquo;information <\/strong><\/h3>\n<p>Stimul\u00e9e par la num\u00e9risation &#8211; et la transformation num\u00e9rique vers l&rsquo;industrie 4.0 &#8211; la convergence IT-OT a rendu le secteur industriel tr\u00e8s vuln\u00e9rable \u00e0 de fr\u00e9quentes cyberattaques.<\/p>\n<p>R\u00e9duisez la surface d&rsquo;attaque de votre environnement industriel en \u00e9liminant les multiples VPN non g\u00e9r\u00e9s et en centralisant l&rsquo;acc\u00e8s interne et externe \u00e0 votre syst\u00e8me informatique.<\/p>\n<p>WALLIX s\u00e9curise l&rsquo;acc\u00e8s des op\u00e9rateurs de syst\u00e8mes de contr\u00f4le et d&rsquo;automatisation industriels (IACS) et offre une exp\u00e9rience utilisateur simplifi\u00e9e, parfaitement adapt\u00e9e aux environnements OT, gr\u00e2ce \u00e0 l&rsquo;Universal Tunneling !<\/p>\n<p><strong>Obtenez plus d&rsquo;informations en <a href=\"https:\/\/www.wallix.com\/fr\/societe\/contact\/\" target=\"_blank\" rel=\"noopener\">contactant nos \u00e9quipes d&rsquo;experts<\/a>!<\/strong><\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-qi3ru4-3f136ac0389bcfb08c7fcaa5ae1e7400-wrap avia-button-center  avia-builder-el-4  el_after_av_textblock  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qi3ru4-3f136ac0389bcfb08c7fcaa5ae1e7400\">\n#top #wrap_all 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