{"id":107,"date":"2026-09-13T20:56:41","date_gmt":"2026-09-13T20:56:41","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=107"},"modified":"2026-09-13T20:56:41","modified_gmt":"2026-09-13T20:56:41","slug":"stationnaire-serveur-et-renforcement-de-base-de-limage","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/workstation-server-and-baseline-image-hardening\/","title":{"rendered":"Durcissement des postes de travail, des serveurs et des images de r\u00e9f\u00e9rence"},"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-des-terminaux\/\">Points de terminaison et vuln\u00e9rabilit\u00e9s<\/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\">END \/ END-02<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Durcissement des postes de travail, des serveurs et des images de r\u00e9f\u00e9rence<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Supprimer les fonctionnalit\u00e9s inutiles et appliquer des param\u00e8tres de s\u00e9curit\u00e9 reproductibles aux syst\u00e8mes. Le durcissement doit rester compatible avec l'usage m\u00e9tier et \u00eatre maintenu au fil des modifications et des mises \u00e0 jour.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-end\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end.webp\" alt=\"\" class=\"wp-image-247\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-end-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\">Des syst\u00e8mes configur\u00e9s manuellement, des privil\u00e8ges locaux excessifs, des services inutiles, le d\u00e9ploiement d\u2019une nouvelle flotte ou la constatation d\u2019\u00e9carts r\u00e9currents dans les performances de certaines machines.<\/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-des-terminaux\/\">Points de terminaison et vuln\u00e9rabilit\u00e9s<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Implantation ou r\u00e9currence<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>END-02<\/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>Base de r\u00e9f\u00e9rence adapt\u00e9e<\/li>\n\n\n<li>compte et services<\/li>\n\n\n<li>Configuration du r\u00e9seau<\/li>\n\n\n<li>Chiffrement lorsque n\u00e9cessaire<\/li>\n\n\n<li>journalisation<\/li>\n\n\n<li>mises \u00e0 jour<\/li>\n\n\n<li>image de r\u00e9f\u00e9rence<\/li>\n\n\n<li>pilote<\/li>\n\n\n<li>contr\u00f4les de d\u00e9rive et d\u2019exception<\/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>Base de r\u00e9f\u00e9rence document\u00e9e<\/li>\n\n\n<li>Scripts ou politiques versionn\u00e9s<\/li>\n\n\n<li>image incluse<\/li>\n\n\n<li>r\u00e9sultats de conformit\u00e9 technique<\/li>\n\n\n<li>tests applicatifs<\/li>\n\n\n<li>registre des exceptions<\/li>\n\n\n<li>Proc\u00e9dures de maintenance<\/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\">Des contr\u00f4les convenus sont appliqu\u00e9s ou justifi\u00e9s ; les tests sur les appareils sont pass\u00e9s ; la provision des nouveaux appareils est reproductible ; des d\u00e9rives ult\u00e9rieures sont d\u00e9tectables ; le rollback est v\u00e9rifi\u00e9.<\/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\">Versions d\u2019inventaire et applications ; d\u00e9finition des politiques ; tests sur un groupe repr\u00e9sentatif ; d\u00e9ploiement ; v\u00e9rification de la couverture et des exceptions ; organisation de la maintenance.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9requis et responsabilit\u00e9s<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Client : inventaire, outils de d\u00e9ploiement, support, propri\u00e9taires d'applications et Windows. Fournisseur : politiques et int\u00e9gration ; gestion des alertes uniquement si incluse.<\/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\">Appareils, syst\u00e8mes d'exploitation, compatibilit\u00e9, outils existants, politiques et effort de d\u00e9ploiement. Les abonnements, la gestion quotidienne et la couverture SOC sont factur\u00e9s s\u00e9par\u00e9ment.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Quels syst\u00e8mes et versions sont concern\u00e9s ? Quelles applications n\u00e9cessitent-elles des exceptions ? Comment sont-ils d\u00e9ploy\u00e9s et mis \u00e0 jour sur les nouvelles machines ?<\/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\">La base de r\u00e9f\u00e9rence est adapt\u00e9e aux syst\u00e8mes et \u00e0 leur utilisation, en utilisant les versions de r\u00e9f\u00e9rence applicables et les conditions de licence. Les scores de configuration sont des indicateurs, et non la preuve que toutes les vuln\u00e9rabilit\u00e9s sont inexistantes.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Les syst\u00e8mes non pris en charge, les exclusions et les lacunes op\u00e9rationnelles sont explicit\u00e9s. Les tests de r\u00e9gression, le repli et la responsabilit\u00e9 de la r\u00e9ponse font partie de la livraison.<\/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\">Une entreprise construit chaque serveur manuellement. Projet : cr\u00e9er une image renforc\u00e9e et automatiser les param\u00e8tres. Objectif : des configurations coh\u00e9rentes avec des exceptions explicites, sans int\u00e9grer de secrets ou des identifiants uniques dans l\u2019image.<\/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\">Une entreprise souhaite supprimer les droits d\u2019administrateur de poste de travail. Projet : identifier les besoins l\u00e9gitimes, tester les applications et introduire une \u00e9l\u00e9vation contr\u00f4l\u00e9e. Objectif : une pratique minimale de privil\u00e8ges avec un processus de support.<\/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\">Exemples : CIS et conseils des fournisseurs, gestion centrale des configurations, outils d\u2019automatisation et images valid\u00e9es pour les syst\u00e8mes d\u2019exploitation du client.<\/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\">SOC-01<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/surveillance-soc-geree-triage-et-escalade\/\">SOC manag\u00e9 \u2014 surveillance, triage et escalade<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Confiez la surveillance de sources convenues, l'analyse des alertes et l'escalade des incidents \u00e0 une \u00e9quipe sp\u00e9cialis\u00e9e. Un SOC associe des personnes, des processus et des outils ; son niveau de service d\u00e9pend du p\u00e9rim\u00e8tre et du contrat.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/surveillance-soc-geree-triage-et-escalade\/\">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\">FIN-05<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/une-vulnerabilite-constante-et-une-gestion-des-mises-a-jour\/\">Gestion continue des vuln\u00e9rabilit\u00e9s et des correctifs<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">\u00c9tablir un cycle r\u00e9current pour trouver les vuln\u00e9rabilit\u00e9s, les prioriser selon l'exposition et l'impact, planifier la correction et v\u00e9rifier la cl\u00f4ture. Les analyses produisent des observations ; la gestion y ajoute la responsabilisation et le suivi.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/une-vulnerabilite-constante-et-une-gestion-des-mises-a-jour\/\">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-04<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/ransomware-resilient-backup-implementation\/\">Mise en \u0153uvre d'une sauvegarde r\u00e9sistante aux ran\u00e7ongiciels<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Mettre en place des mesures de sauvegarde dont les donn\u00e9es et l'administration r\u00e9sistent mieux \u00e0 une compromission de l'environnement primaire. Le projet associe s\u00e9paration des acc\u00e8s, copies prot\u00e9g\u00e9es, surveillance et tests de restauration.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/ransomware-resilient-backup-implementation\/\">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>Supprimer les fonctionnalit\u00e9s inutiles et appliquer des param\u00e8tres de s\u00e9curit\u00e9 reproductibles aux syst\u00e8mes. Le durcissement doit rester compatible avec l'usage m\u00e9tier et \u00eatre maintenu au fil des modifications et des mises \u00e0 jour.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[11],"class_list":["post-107","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/107","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\/107\/revisions"}],"predecessor-version":[{"id":502,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/107\/revisions\/502"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=107"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=107"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}