{"id":88,"date":"2026-09-13T20:56:39","date_gmt":"2026-09-13T20:56:39","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=88"},"modified":"2026-09-13T20:56:39","modified_gmt":"2026-09-13T20:56:39","slug":"authentification-unique-et-federation-didentite","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/single-sign-on-and-identity-federation\/","title":{"rendered":"Authentification unique et f\u00e9d\u00e9ration d'identit\u00e9s"},"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\/gestion-des-identites-et-des-acces\/\">Identit\u00e9 et acc\u00e8s<\/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\">IAM \/ IAM-02<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Authentification unique et f\u00e9d\u00e9ration d'identit\u00e9s<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Connexion centralis\u00e9e aux applications \u00e0 l'aide d'une identit\u00e9 gouvern\u00e9e, avec des politiques d'acc\u00e8s, une surveillance et un acc\u00e8s d'urgence.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-iam\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam.webp\" alt=\"\" class=\"wp-image-244\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-iam-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\">CIO ou propri\u00e9taire de l\u2019application ; mots de passe dispers\u00e9s, d\u00e9ploiement de SaaS ou portail d\u2019acc\u00e8s partag\u00e9.<\/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\/gestion-des-identites-et-des-acces\/\">Identit\u00e9 et acc\u00e8s<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Mise en \u0153uvre<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>IAM-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>S\u00e9lectionnez le fournisseur d\u2019identit\u00e9<\/li>\n\n\n<li>Int\u00e9grer SAML\/OIDC comme support\u00e9<\/li>\n\n\n<li>Configurer les r\u00f4les, les sessions, les journaux et les proc\u00e9dures d\u2019urgence<\/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>Applications connect\u00e9es<\/li>\n\n\n<li>matrice de r\u00f4les<\/li>\n\n\n<li>documentation, tests d\u2019acc\u00e8s et proc\u00e9dure de reprise<\/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\">Les profils autoris\u00e9s atteignent les fonctions correctes et d\u2019autres sont refus\u00e9s ; l\u2019acc\u00e8s d\u2019urgence est test\u00e9 et r\u00e9glement\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\">Inventorier les identit\u00e9s et les applications ; d\u00e9finir les r\u00f4les et les politiques ; piloter avec un groupe ; tester les chemins d'autorisation, de refus et de r\u00e9cup\u00e9ration ; d\u00e9ployer et transf\u00e9rer.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9requis et responsabilit\u00e9s<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Client : propri\u00e9taires des applications, RH, administrateurs, groupes pilotes et comptes d'urgence. Fournisseur : conception, int\u00e9gration et tests dans le cadre des autorisations convenues.<\/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\">Utilisateurs, r\u00e9pertoires, applications, protocoles, comptes \u00e0 privil\u00e8ges, compatibilit\u00e9 et migration. Les licences, les cl\u00e9s physiques et les op\u00e9rations r\u00e9currentes sont distinctes.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Quelles applications prennent en charge la f\u00e9d\u00e9ration ? Quels sont les r\u00f4les disponibles ? Comment r\u00e9cup\u00e9rer l\u2019acc\u00e8s si le fournisseur d\u2019identit\u00e9 \u00e9choue ?<\/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\">SSO cr\u00e9e une d\u00e9pendance critique et ne remplace pas le MFA ; v\u00e9rifiez la r\u00e9activation, les sessions et la disponibilit\u00e9.<\/p>\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9cup\u00e9ration et l'acc\u00e8s d'urgence sont test\u00e9s avant le d\u00e9ploiement. L'authentification, l'autorisation et la gestion des acc\u00e8s privil\u00e9gi\u00e9s sont des couches compl\u00e9mentaires.<\/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 PME dispose de cinq consoles techniques dot\u00e9es de comptes distincts. Projet : f\u00e9d\u00e9rer l\u2019acc\u00e8s et cartographier les groupes. Objectif : une connexion coh\u00e9rente et la r\u00e9activation centralis\u00e9e, avec des comptes d\u2019urgence hors du cadre normal d\u2019utilisation.<\/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 extranet pour les partenaires applique des r\u00f4les d\u2019application incoh\u00e9rents. Probl\u00e8me : d\u00e9finir une matrice commune et tester les profils. R\u00e9sultats escompt\u00e9s : acc\u00e8s sp\u00e9cifique \u00e0 l\u2019organisation ; l\u2019authentification r\u00e9ussie n\u2019autorise pas toutes les donn\u00e9es.<\/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\">Keycloak, Entra ID ou un fournisseur SAML\/OIDC compatible ; v\u00e9rifiez la compatibilit\u00e9 et la licence.<\/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\">IAM-07<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/certification-dacces-et-gouvernance-de-lacces\/\">Certification des acc\u00e8s et gouvernance des acc\u00e8s<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Organisation de campagnes au cours desquelles des responsables d\u00e9sign\u00e9s v\u00e9rifient que les autorisations des utilisateurs et des tiers restent justifi\u00e9es.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/certification-dacces-et-gouvernance-de-lacces\/\">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-04<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/ingenierie-de-detection-et-amelioration-des-regles\/\">Ing\u00e9nierie de la d\u00e9tection et am\u00e9lioration des r\u00e8gles<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Concevoir et maintenir des r\u00e8gles de d\u00e9tection li\u00e9es aux risques clients, avec des proc\u00e9dures de test et d'investigation. L'objectif est d'obtenir des alertes utiles et explicables plut\u00f4t qu'un catalogue incontr\u00f4l\u00e9 de r\u00e8gles activ\u00e9es.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/ingenierie-de-detection-et-amelioration-des-regles\/\">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\">AUD-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/audit-de-lidentite-et-des-privileges\/\">Audit d'identit\u00e9 et de privil\u00e8ge<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Un examen des acc\u00e8s de chacun, de la mani\u00e8re dont les comptes sont prot\u00e9g\u00e9s et de l'impact qu'une identit\u00e9 compromise pourrait avoir sur les ressources sensibles.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/audit-de-lidentite-et-des-privileges\/\">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>Connexion centralis\u00e9e aux applications \u00e0 l'aide d'une identit\u00e9 gouvern\u00e9e, avec des politiques d'acc\u00e8s, une surveillance et un acc\u00e8s d'urgence.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[8],"class_list":["post-88","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/88","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\/88\/revisions"}],"predecessor-version":[{"id":483,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/88\/revisions\/483"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=88"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}