{"id":117,"date":"2026-09-13T20:56:43","date_gmt":"2026-09-13T20:56:43","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=117"},"modified":"2026-09-13T20:56:43","modified_gmt":"2026-09-13T20:56:43","slug":"zone-datterrissage-pour-des-bases-cloud-securisees","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/secure-cloud-foundations-landing-zone\/","title":{"rendered":"Fondations de cloud s\u00e9curis\u00e9es \u2014 zone d'atterrissage"},"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\/logiciel-en-tant-que-service-dans-le-nuage\/\">Cloud et SaaS<\/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\">CLD \/ CLD-01<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Fondations de cloud s\u00e9curis\u00e9es \u2014 zone d'atterrissage<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">\u00c9tablissez des fondations cloud coh\u00e9rentes avant que les projets ne se multiplient : s\u00e9paration des environnements, gestion des identit\u00e9s, mise en r\u00e9seau, journaux d'activit\u00e9, s\u00e9curit\u00e9 et ma\u00eetrise des co\u00fbts. Une zone d'atterrissage \u00e9tablit des garde-fous sans pour autant s\u00e9curiser automatiquement chaque application.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-cld\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld.webp\" alt=\"\" class=\"wp-image-249\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-cld-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\">Premi\u00e8re migration vers le cloud, multiplication d\u2019identit\u00e9s sans normes, cr\u00e9ation d\u2019une nouvelle filiale ou mise en place d\u2019un cadre commun pour les \u00e9quipes d\u00e9ployant des ressources.<\/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\/logiciel-en-tant-que-service-dans-le-nuage\/\">Cloud et SaaS<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Mise en \u0153uvre et r\u00e9current<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>CLD-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>Structure de l'espace de travail\/projet<\/li>\n\n\n<li>R\u00f4les<\/li>\n\n\n<li>r\u00e9seau<\/li>\n\n\n<li>politiques<\/li>\n\n\n<li>logistique centrale<\/li>\n\n\n<li>Chiffrement<\/li>\n\n\n<li>D\u00e9ploiement automatis\u00e9<\/li>\n\n\n<li>budgets<\/li>\n\n\n<li>S\u00e9paration de la production\/de la test<\/li>\n\n\n<li>Processus 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>Architecture cible<\/li>\n\n\n<li>code d\u2019infrastructure si inclus<\/li>\n\n\n<li>Catalogue de barri\u00e8res de s\u00e9curit\u00e9<\/li>\n\n\n<li>proc\u00e9dure de provisionnement de l\u2019environnement<\/li>\n\n\n<li>tests<\/li>\n\n\n<li>registre des exceptions<\/li>\n\n\n<li>mod\u00e8le d'exploitation<\/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\">Un nouvel environnement est provisionn\u00e9 de mani\u00e8re reproductible ; les contr\u00f4les sont test\u00e9s ; les journaux atteignent les r\u00f4les appropri\u00e9s ; les budgets et les alertes sont configur\u00e9s ; les responsabilit\u00e9s du cloud et de la client\u00e8le sont document\u00e9es.<\/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\">Inventorier les comptes et les usages ; clarifier les responsabilit\u00e9s ; concevoir des politiques ; piloter ; tester et d\u00e9ployer ; organiser les d\u00e9rives, les exceptions et les op\u00e9rations.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9requis et responsabilit\u00e9s<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Client : acc\u00e8s des locataires\/du compte, facturation, propri\u00e9taires des donn\u00e9es, administrateurs et contraintes de r\u00e9sidence. Fournisseur : architecture et configuration dans le cadre de la responsabilit\u00e9 partag\u00e9e.<\/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\">Nuages, comptes, r\u00e9gions, ressources, locataires, clusters, connecteurs et maturit\u00e9 de l'automatisation. La consommation, les transferts, le stockage et les licences sont distincts du service.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Quel fournisseur et quelles r\u00e9gions ? Qui cr\u00e9e les comptes et les ressources ? Quels sont les donn\u00e9es, les contraintes de r\u00e9sidence et les limites de d\u00e9penses applicables ?<\/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 responsabilit\u00e9 est partag\u00e9e avec le fournisseur et varie selon le service. Un budget cloud configur\u00e9 n\u2019est pas n\u00e9cessairement un plafond de d\u00e9penses strict ; les m\u00e9canismes doivent \u00eatre test\u00e9s.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Les fonctionnalit\u00e9s varient selon l'\u00e9dition, la r\u00e9gion et le statut de disponibilit\u00e9. Un score de posture n'est ni une certification ni une garantie de d\u00e9tection compl\u00e8te.<\/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 met en place ses premiers services cloud. Projet : pr\u00e9parer des environnements distincts et une identit\u00e9 centrale avant la migration. Objectif : des bases r\u00e9utilisables avec des exceptions m\u00e9tier explicitement d\u00e9cid\u00e9es plut\u00f4t que simplement ajout\u00e9es tacitement.<\/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\">Un groupe g\u00e8re ind\u00e9pendamment les comptes cloud. Projet : d\u00e9finir une structure commune et migrer progressivement les contr\u00f4les. Objectif : gouvernance partag\u00e9e ; les comptes non encore int\u00e9gr\u00e9s restent visibles dans le plan de transition.<\/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 : les bases AWS, Azure ou Google Cloud ainsi que des outils d\u2019infrastructure d\u00e9claratifs, en fonction de l\u2019environnement et des capacit\u00e9s valid\u00e9es.<\/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\">CLD-02<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/gestion-de-la-posture-de-securite-dans-le-cloud\/\">Gestion de la posture de s\u00e9curit\u00e9 dans le cloud \u2014 CSPM<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">D\u00e9tectez les configurations cloud expos\u00e9es ou les \u00e9carts par rapport aux politiques s\u00e9lectionn\u00e9es et organisez la rem\u00e9diation. Le CSPM suit la posture technique ; il ne remplace pas la surveillance compl\u00e8te des \u00e9v\u00e9nements ou l'\u00e9valuation des applications.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/gestion-de-la-posture-de-securite-dans-le-cloud\/\">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\">SOC-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/collecte-de-journaux-et-deploiement-du-siem\/\">Collecte des journaux et d\u00e9ploiement du SIEM<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Centraliser les \u00e9v\u00e9nements de s\u00e9curit\u00e9 utiles et les rendre exploitables pour la recherche, les alertes et les investigations. Le projet aborde la qualit\u00e9, les horodatages, la r\u00e9tention et le co\u00fbt tout autant que l'installation de la plateforme.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/collecte-de-journaux-et-deploiement-du-siem\/\">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\">PEN-07<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/cloud-et-test-de-penetration-iam\/\">Tests d'intrusion du cloud et de la gestion des identit\u00e9s et des acc\u00e8s (IAM)<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Tests contr\u00f4l\u00e9s de sc\u00e9narios d'abus dans un environnement cloud, au-del\u00e0 de la simple r\u00e9vision de configuration.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/cloud-et-test-de-penetration-iam\/\">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>\u00c9tablissez des fondations cloud coh\u00e9rentes avant que les projets ne se multiplient : s\u00e9paration des environnements, gestion des identit\u00e9s, mise en r\u00e9seau, journaux d'activit\u00e9, s\u00e9curit\u00e9 et ma\u00eetrise des co\u00fbts. Une zone d'atterrissage \u00e9tablit des garde-fous sans pour autant s\u00e9curiser automatiquement chaque application.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[13],"class_list":["post-117","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/117","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\/117\/revisions"}],"predecessor-version":[{"id":512,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/117\/revisions\/512"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=117"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=117"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}