{"id":151,"date":"2026-09-13T20:56:47","date_gmt":"2026-09-13T20:56:47","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=151"},"modified":"2026-09-13T20:56:47","modified_gmt":"2026-09-13T20:56:47","slug":"security-assurance-case-and-accreditation-support","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/security-assurance-case-and-accreditation-support\/","title":{"rendered":"Dossier d'assurance de s\u00e9curit\u00e9 et support \u00e0 l'accr\u00e9ditation"},"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-04<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Dossier d'assurance de s\u00e9curit\u00e9 et support \u00e0 l'accr\u00e9ditation<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Rassembler les \u00e9l\u00e9ments de preuve et les d\u00e9cisions permettant \u00e0 une autorit\u00e9 comp\u00e9tente d'accepter les risques d'un syst\u00e8me dans un cadre d\u00e9fini. Le fournisseur pr\u00e9pare le dossier ; il ne se substitue pas au d\u00e9cideur et n'accorde pas l'accr\u00e9ditation par la simple prestation d'un service.<\/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\">System requiring accreditation, public-sector or sensitive project, production release needing a security case or renewal of an existing decision.<\/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-04<\/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>Applicable framework<\/li>\n\n\n<li>authority<\/li>\n\n\n<li>scope<\/li>\n\n\n<li>\u00e9valuation des risques<\/li>\n\n\n<li>exigences<\/li>\n\n\n<li>architecture<\/li>\n\n\n<li>audit evidence<\/li>\n\n\n<li>plan de traitement<\/li>\n\n\n<li>Risques r\u00e9siduels<\/li>\n\n\n<li>operating and review conditions<\/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>Structured case<\/li>\n\n\n<li>requirements\/evidence matrix<\/li>\n\n\n<li>\u00e9valuation des risques<\/li>\n\n\n<li>action plan<\/li>\n\n\n<li>residual-risk summary<\/li>\n\n\n<li>decision-board support<\/li>\n\n\n<li>review schedule<\/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\">The case is complete for the agreed scope; evidence is traceable; conditions and risks are honestly presented; the authority retains the decision; case maintenance is organised.<\/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 authority decides and under what framework? Which evidence is required? Which changes trigger review and which conditions are acceptable?<\/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\">Any required assessor qualification, independence or framework-specific condition is established before engagement. The work supports an assurance decision; it does not guarantee a favourable outcome.<\/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\">An organisation prepares a sensitive new portal. Project: organise risks, architecture and test results into one case. Target outcome: a decision based on coherent evidence, with explicit conditions where controls remain unfinished.<\/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\">A system changes after initial approval. Project: assess changes and update affected evidence. Target outcome: proportionate reassessment; the old decision is not presented as automatically covering the new architecture.<\/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\">References: ANSSI accreditation approach and applicable risk assessment; document and evidence-tracking tools.<\/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>Rassembler les \u00e9l\u00e9ments de preuve et les d\u00e9cisions permettant \u00e0 une autorit\u00e9 comp\u00e9tente d'accepter les risques d'un syst\u00e8me dans un cadre d\u00e9fini. Le fournisseur pr\u00e9pare le dossier ; il ne se substitue pas au d\u00e9cideur et n'accorde pas l'accr\u00e9ditation par la simple prestation d'un service.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[18],"class_list":["post-151","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/151","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\/151\/revisions"}],"predecessor-version":[{"id":546,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/151\/revisions\/546"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=151"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=151"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}