{"id":148,"date":"2026-09-13T20:56:46","date_gmt":"2026-09-13T20:56:46","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=148"},"modified":"2026-09-13T20:56:46","modified_gmt":"2026-09-13T20:56:46","slug":"industrial-environment-security-ot-ics","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/industrial-environment-security-ot-ics\/","title":{"rendered":"S\u00e9curit\u00e9 des environnements industriels \u2014 OT\/ICS"},"content":{"rendered":"<section class=\"wp-block-group nrn2-section nrn2-page-hero is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-breadcrumb wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/\">Accueil<\/a> <span aria-hidden=\"true\">\/<\/span> <a href=\"https:\/\/neranis.com\/fr\/expertise\/\">Expertise<\/a> \/ <a href=\"https:\/\/neranis.com\/fr\/expertise\/securite-specialisee\/\">S\u00e9curit\u00e9 sp\u00e9cialis\u00e9e<\/a><\/p>\n\n\n<div class=\"wp-block-group nrn2-service-top nrn2-hero-layout-r3 is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-hero-split-copy is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"nrn2-kicker wp-block-paragraph\">SPC \/ SPC-01<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">S\u00e9curit\u00e9 des environnements industriels \u2014 OT\/ICS<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">\u00c9valuer et renforcer les syst\u00e8mes contr\u00f4lant les processus physiques tout en respectant la disponibilit\u00e9 et la s\u00e9curit\u00e9. Les m\u00e9thodes informatiques standard doivent \u00eatre adapt\u00e9es avec les op\u00e9rateurs et les ing\u00e9nieurs des syst\u00e8mes de contr\u00f4le.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-spc\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc.webp\" alt=\"\" class=\"wp-image-254\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-spc-1536x480.webp 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-top is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-intro is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">QUAND C'EST UTILE<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Une r\u00e9ponse cibl\u00e9e<br>\u00e0 un besoin d\u00e9fini.<\/h2>\n\n\n<p class=\"nrn2-body-lg wp-block-paragraph\">Plant connected to corporate IT, remote maintenance, legacy equipment, poor industrial-traffic visibility or a new IT\/OT convergence project.<\/p>\n\n\n<div class=\"wp-block-buttons nrn2-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neranis.com\/fr\/contact\/\">Discutez de ce service<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-facts is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">EN UN COUP D'\u0152IL<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Famille<\/strong><br><a href=\"https:\/\/neranis.com\/fr\/expertise\/securite-specialisee\/\">S\u00e9curit\u00e9 sp\u00e9cialis\u00e9e<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Expertise sp\u00e9cialis\u00e9e<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>SPC-01<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section nrn2-canvas is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">PORT\u00c9E ET R\u00c9SULTATS<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Ce que couvre la mission.<\/h2>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-delivery-card is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Port\u00e9e<\/h3>\n\n\n<ul class=\"wp-block-list nrn2-list\">\n<li>Documentary inventory and passive-first observation<\/li>\n\n\n<li>criticality<\/li>\n\n\n<li>traffic<\/li>\n\n\n<li>remote access<\/li>\n\n\n<li>IT\/OT separation<\/li>\n\n\n<li>administration<\/li>\n\n\n<li>Les sauvegardes<\/li>\n\n\n<li>patch constraints<\/li>\n\n\n<li>suitable detection<\/li>\n\n\n<li>governance<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-card is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Livrables<\/h3>\n\n\n<ul class=\"wp-block-list nrn2-list\">\n<li>Carte des actifs<\/li>\n\n\n<li>\u00e9valuation des risques<\/li>\n\n\n<li>zone architecture<\/li>\n\n\n<li>plan de s\u00e9curit\u00e9<\/li>\n\n\n<li>maintenance procedures<\/li>\n\n\n<li>constraint register<\/li>\n\n\n<li>authorised tests and compensating controls<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-card nrn2-evidence is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Preuve de r\u00e9ception<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Operations approves scope and constraints; access and separation are tested without unapproved risk; controls are documented; residual risks have an accountable decision-maker.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">LIVRAISON<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Comment le travail est structur\u00e9.<\/h2>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-two-col is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-prose is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Approche<\/h3>\n\n\n<p class=\"wp-block-paragraph\">V\u00e9rifier l\u2019expertise et l\u2019autorisation ; contraintes d\u2019\u00e9tendue ; collecter sans risque non approuv\u00e9 ; \u00e9valuer et proposer ; valider aupr\u00e8s des propri\u00e9taires comp\u00e9tents.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9requis et responsabilit\u00e9s<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Client : autorit\u00e9 de d\u00e9cision, op\u00e9rateurs, ing\u00e9nieurs de contr\u00f4le ou responsables de transactions selon le cas. Prestataire : expertise valid\u00e9e ; partenaires sp\u00e9cialistes si n\u00e9cessaire et approuv\u00e9s.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-prose is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Facteurs de port\u00e9e<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Sites, syst\u00e8mes, s\u00e9curit\u00e9, acc\u00e8s aux preuves, ind\u00e9pendance et exigences de qualification. Intervention sur mesure ; effort et sous-traitance confirm\u00e9s avant la proposition.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Which actions could affect safety or stop production? Who authorises testing? Which equipment supports neither agents nor active scanning?<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section nrn2-compact is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-boundaries is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">LIMITES IMPORTANTES<\/p>\n\n\n<p class=\"nrn2-body-lg wp-block-paragraph\">Industrial safety and operational continuity govern the engagement. Intrusive scans, load tests and process changes require explicit authorisation, safety approval and the appropriate specialist resources.<\/p>\n\n\n<p class=\"wp-block-paragraph\">La livraison est subordonn\u00e9e aux ressources sp\u00e9cialis\u00e9es, aux autorisations et aux exigences du cadre d\u00e9finies lors du cadrage. Les qualifications formelles et les habilitations sont confirm\u00e9es si n\u00e9cessaire.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">EN PRATIQUE<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Situations illustratives.<\/h2>\n\n<\/div>\n\n\n<p class=\"nrn2-section-lead wp-block-paragraph\">Ces exemples d\u00e9crivent des engagements possibles et des r\u00e9sultats cibles. Il ne s'agit pas de r\u00e9f\u00e9rences clients ni de r\u00e9sultats obtenus.<\/p>\n\n<\/div>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Sc\u00e9nario 01<\/summary>\n<p class=\"wp-block-paragraph\">A plant retains permanent supplier access. Project: map and restrict access and require maintenance approval. Target outcome: workable, better-tracked maintenance without risky controller changes.<\/p>\n\n<\/details>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Sc\u00e9nario 02<\/summary>\n<p class=\"wp-block-paragraph\">An industrial site uses unsupported equipment. Project: analyse traffic, isolate systems and plan replacement. Target outcome: reduced exposure through compensating controls; unpatchable components remain a documented risk.<\/p>\n\n<\/details>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Contexte technologique et de r\u00e9f\u00e9rence<\/summary>\n<p class=\"wp-block-paragraph\">Reference: NIST SP 800-82 Rev. 3; observation and segmentation tools compatible with industrial constraints.<\/p>\n\n\n<p class=\"wp-block-paragraph\">L'ensemble final des technologies est convenu lors du cadrage, sur la base de l'interop\u00e9rabilit\u00e9, des licences, des droits d'acc\u00e8s et des exigences op\u00e9rationnelles.<\/p>\n\n<\/details>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">SERVICES CONNECT\u00c9S<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Construisez l'\u00e9tape suivante.<\/h2>\n\n<\/div>\n\n\n<p class=\"nrn2-section-lead wp-block-paragraph\">Ces services peuvent compl\u00e9ter la mission. Ils ne sont pas inclus automatiquement.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-related-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">GRC-01<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/evaluation-des-risques-par-le-responsable-des-risques-debios\/\">\u00e9valuation des risques EBIOS Risk Manager<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Une m\u00e9thode structur\u00e9e reliant les objectifs commerciaux \u00e0 des sc\u00e9narios de cyber-risque et \u00e0 un plan de traitement d\u00e9cid\u00e9 par l'organisation.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/evaluation-des-risques-par-le-responsable-des-risques-debios\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">NET-02<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/network-segmentation-and-microsegmentation\/\">Segmentation du r\u00e9seau et microsegmentation<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">S\u00e9parez les environnements et restreignez la communication au strict n\u00e9cessaire afin qu'un appareil ou un service compromis n'obtienne pas un acc\u00e8s \u00e9tendu aux syst\u00e8mes d'information. La s\u00e9paration doit \u00eatre test\u00e9e, et non pas seulement mod\u00e9lis\u00e9e.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/network-segmentation-and-microsegmentation\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">RES-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/analyse-de-limpact-sur-les-activites-commerciales-continuite-des-operations-et-planification-de-la-reprise-apres-sinistre\/\">Analyse d'impact sur l'activit\u00e9, planification de la continuit\u00e9 et de la reprise apr\u00e8s sinistre<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">D\u00e9terminez quelles activit\u00e9s doivent reprendre en premier et pr\u00e9parez la continuit\u00e9 ou la restauration. La planification de la continuit\u00e9 des activit\u00e9s couvre les op\u00e9rations commerciales ; la reprise apr\u00e8s sinistre d\u00e9crit la restauration des syst\u00e8mes d'information de soutien.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/analyse-de-limpact-sur-les-activites-commerciales-continuite-des-operations-et-planification-de-la-reprise-apres-sinistre\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-cta is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">Commencer une conversation<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Clarifiez la port\u00e9e.<\/h2>\n\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-body-lg wp-block-paragraph\">Nous clarifierons l'objectif, les d\u00e9pendances et les responsabilit\u00e9s de ce service avant de proposer la livraison.<\/p>\n\n\n<div class=\"wp-block-buttons nrn2-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neranis.com\/fr\/contact\/\">Discutez de vos priorit\u00e9s<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>","protected":false},"excerpt":{"rendered":"<p>\u00c9valuer et renforcer les syst\u00e8mes contr\u00f4lant les processus physiques tout en respectant la disponibilit\u00e9 et la s\u00e9curit\u00e9. Les m\u00e9thodes informatiques standard doivent \u00eatre adapt\u00e9es avec les op\u00e9rateurs et les ing\u00e9nieurs des syst\u00e8mes de contr\u00f4le.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[18],"class_list":["post-148","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service"}],"about":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/types\/nrn_service"}],"version-history":[{"count":2,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/148\/revisions"}],"predecessor-version":[{"id":543,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/148\/revisions\/543"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=148"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=148"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}