{"id":43,"date":"2026-09-13T20:56:52","date_gmt":"2026-09-13T20:56:52","guid":{"rendered":"https:\/\/neranis.com\/?page_id=43"},"modified":"2026-09-13T20:56:52","modified_gmt":"2026-09-13T20:56:52","slug":"securite-des-reseaux","status":"publish","type":"page","link":"https:\/\/neranis.com\/fr\/expertise\/network-security\/","title":{"rendered":"S\u00e9curit\u00e9 des r\u00e9seaux"},"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> \/ S\u00e9curit\u00e9 r\u00e9seau<\/p>\n\n\n<div class=\"wp-block-group nrn2-two-col 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\">EXPERTISE \/ NET<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">S\u00e9curit\u00e9 des r\u00e9seaux<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Limiter la communication au strict n\u00e9cessaire et rendre les contr\u00f4les r\u00e9seau visibles, testables et exploitables.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-family-net\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"720\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net.webp\" alt=\"\" class=\"wp-image-202\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net-300x135.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net-1024x461.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net-768x346.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/family-net-1536x691.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-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\">QUE TRAITER<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Choisissez le bon engagement.<\/h2>\n\n<\/div>\n\n\n<p class=\"nrn2-section-lead wp-block-paragraph\">Les modifications pr\u00e9servent les services essentiels et les parcours de r\u00e9tablissement. Le dimensionnement, les licences et les tests de recette refl\u00e8tent les fonctionnalit\u00e9s qui seront r\u00e9ellement activ\u00e9es.<\/p>\n\n<\/div>\n\n<div class=\"nrn2-catalogue\" data-nrn-catalogue><form class=\"nrn2-filter\" method=\"get\" action=\"\"><div class=\"nrn2-filter-field\"><label for=\"nrn2-filter-1q\">Rechercher par th\u00e8me, besoin ou r\u00e9f\u00e9rence<\/label><input type=\"search\" name=\"nrn_q\" id=\"nrn2-filter-1q\" value=\"\" placeholder=\"Par exemple : IAM, audit, SOC, IA\" autocomplete=\"off\"><\/div><button type=\"submit\">Rechercher<\/button><a class=\"nrn2-filter-reset\" href=\"\/fr\/wp-json\/wp\/v2\/pages\/43\" data-nrn-reset>R\u00e9initialiser<\/a><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><p class=\"nrn2-results-count\" aria-live=\"polite\"><span data-nrn-count>7<\/span> <span>r\u00e9sultats<\/span><\/p><div class=\"nrn2-catalogue-grid\"><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-01\"><p class=\"nrn2-ref\">NET-01 \/ S\u00e9curit\u00e9 des r\u00e9seaux<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/next-generation-firewall-deployment-and-migration-palo-alto-networks\/\">D\u00e9ploiement et migration de pare-feu de nouvelle g\u00e9n\u00e9ration \u2014 Palo Alto Networks<\/a><\/h3><p class=\"nrn2-card-desc\">Installer ou remplacer un pare-feu qui contr\u00f4le le trafic r\u00e9seau et applique des politiques de s\u00e9curit\u00e9 adapt\u00e9es aux applications et aux utilisateurs. Le projet couvre l'architecture, la migration des r\u00e8gles et la pr\u00e9paration op\u00e9rationnelle.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/next-generation-firewall-deployment-and-migration-palo-alto-networks\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-02\"><p class=\"nrn2-ref\">NET-02 \/ S\u00e9curit\u00e9 des r\u00e9seaux<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/network-segmentation-and-microsegmentation\/\">Segmentation du r\u00e9seau et microsegmentation<\/a><\/h3><p class=\"nrn2-card-desc\">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><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/network-segmentation-and-microsegmentation\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-03\"><p class=\"nrn2-ref\">NET-03 \/ S\u00e9curit\u00e9 des r\u00e9seaux<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/network-intrusion-detection-and-prevention-ids-ips\/\">D\u00e9tection et pr\u00e9vention des intrusions sur le r\u00e9seau \u2014 IDS\/IPS<\/a><\/h3><p class=\"nrn2-card-desc\">Un IDS observe et alerte en cas d'activit\u00e9 suspecte ; un IPS peut \u00e9galement bloquer le trafic lorsqu'il est d\u00e9ploy\u00e9 en position de filtrage. Le service d\u00e9ploie, ajuste et connecte ces contr\u00f4les \u00e0 un processus de traitement.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/network-intrusion-detection-and-prevention-ids-ips\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-04\"><p class=\"nrn2-ref\">NET-04 \/ S\u00e9curit\u00e9 des r\u00e9seaux<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/secure-remote-access-and-zero-trust-network-access\/\">Acc\u00e8s distant s\u00e9curis\u00e9 et acc\u00e8s r\u00e9seau Zero Trust<\/a><\/h3><p class=\"nrn2-card-desc\">Donnez \u00e0 chaque utilisateur ou fournisseur un acc\u00e8s uniquement aux ressources n\u00e9cessaires apr\u00e8s v\u00e9rification de l'identit\u00e9 et des conditions d'acc\u00e8s. Le projet r\u00e9duit l'acc\u00e8s \u00e9tendu au r\u00e9seau sans pr\u00e9senter le mod\u00e8le Z\u00e9ro Trust comme un produit magique.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/secure-remote-access-and-zero-trust-network-access\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-05\"><p class=\"nrn2-ref\">NET-05 \/ S\u00e9curit\u00e9 des r\u00e9seaux<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/secure-internet-access-and-sase-swg-architecture\/\">Acc\u00e8s Internet s\u00e9curis\u00e9 et architecture SASE\/SWG<\/a><\/h3><p class=\"nrn2-card-desc\">Contr\u00f4lez l'acc\u00e8s au Web et au cloud des utilisateurs, au bureau et \u00e0 distance, gr\u00e2ce \u00e0 des politiques coh\u00e9rentes. Le SASE combine des fonctionnalit\u00e9s de mise en r\u00e9seau et de s\u00e9curit\u00e9 ; le p\u00e9rim\u00e8tre r\u00e9el achet\u00e9 doit \u00eatre d\u00e9fini.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/secure-internet-access-and-sase-swg-architecture\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-06\"><p class=\"nrn2-ref\">NET-06 \/ S\u00e9curit\u00e9 r\u00e9seau<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/published-application-protection-waf-and-api-gateway\/\">Protection des applications publi\u00e9es \u2014 WAF et passerelle d'API<\/a><\/h3><p class=\"nrn2-card-desc\">Ajoutez des contr\u00f4les en amont des applications et des API expos\u00e9es : filtrage des requ\u00eates, restrictions d'acc\u00e8s et limites d'utilisation. Cela compl\u00e8te le code s\u00e9curis\u00e9 sans corriger automatiquement les failles de logique m\u00e9tier.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/published-application-protection-waf-and-api-gateway\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><article class=\"nrn2-service-card nrn2-catalogue-item\" data-nrn-item data-family=\"net\" data-reference=\"NET-07\"><p class=\"nrn2-ref\">NET-07 \/ S\u00e9curit\u00e9 r\u00e9seau<\/p><h3><a href=\"https:\/\/neranis.com\/fr\/services\/dns-security-and-protective-resolution-filtering\/\">S\u00e9curit\u00e9 DNS et filtrage par r\u00e9solution protectrice<\/a><\/h3><p class=\"nrn2-card-desc\">Prot\u00e9gez le service qui r\u00e9sout les noms de domaine et contr\u00f4lez les destinations r\u00e9solues par les appareils. Le service r\u00e9pond aux enjeux de disponibilit\u00e9 du DNS interne et de d\u00e9tection ou de blocage des domaines jug\u00e9s dangereux.<\/p><p class=\"nrn2-text-link\"><a href=\"https:\/\/neranis.com\/fr\/services\/dns-security-and-protective-resolution-filtering\/\">P\u00e9rim\u00e8tre et livrables <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p><\/article><\/div><p class=\"nrn2-empty\" data-nrn-empty hidden>Aucun r\u00e9sultat correspondant. Essayez un terme plus g\u00e9n\u00e9ral ou une autre famille.<\/p><\/div>\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-two-col 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\">FIXER DES LIMITES<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Ce sur quoi nous sommes d&#x27;accord<br>Avant de commencer.<\/h2>\n\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<ul class=\"wp-block-list nrn2-list\">\n<li>Client : r\u00e9seau, applications, op\u00e9rateurs, fen\u00eatres de changement et acceptation m\u00e9tier. Fournisseur : conception, migration et tests. L'acc\u00e8s des tiers et l'inspection TLS n\u00e9cessitent des approbations appropri\u00e9es.<\/li>\n\n\n<li>Sites, d\u00e9bit r\u00e9el inspect\u00e9, trafic, r\u00e8gles, utilisateurs distants, disponibilit\u00e9 et int\u00e9grations. Le mat\u00e9riel, les abonnements de s\u00e9curit\u00e9 et les op\u00e9rations r\u00e9currentes sont distincts.<\/li>\n\n<\/ul>\n\n\n<p class=\"nrn2-small wp-block-paragraph\">Les noms de technologies figurant dans les descriptions des services constituent des exemples de mise en \u0153uvre et ne constituent en aucun cas des d\u00e9clarations de partenariat ou de droit de licence.<\/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\">Mettons la prochaine \u00e9tape en lumi\u00e8re.<\/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\">Dites-nous ce que vous devez prot\u00e9ger, modifier ou comprendre. Nous commencerons par le p\u00e9rim\u00e8tre, et non par une liste de produits.<\/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>Limiter la communication au strict n\u00e9cessaire et rendre les contr\u00f4les r\u00e9seau visibles, testables et exploitables.<\/p>","protected":false},"author":1,"featured_media":0,"parent":12,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"cyber-page-2026","meta":{"footnotes":""},"class_list":["post-43","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/pages\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":2,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/pages\/43\/revisions"}],"predecessor-version":[{"id":422,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/pages\/43\/revisions\/422"}],"up":[{"embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/pages\/12"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=43"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}