{"id":112,"date":"2026-09-13T20:56:42","date_gmt":"2026-09-13T20:56:42","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=112"},"modified":"2026-09-13T20:56:42","modified_gmt":"2026-09-13T20:56:42","slug":"detection-et-prevention-des-pertes-de-donnees-multicanal-dlp","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/multichannel-data-loss-prevention-dlp\/","title":{"rendered":"Pr\u00e9vention des pertes de donn\u00e9es multicanal - DLP"},"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\/protection-des-donnees\/\">Protection des donn\u00e9es<\/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\">DAT \/ DAT-02<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Pr\u00e9vention des pertes de donn\u00e9es multicanal - DLP<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">D\u00e9tecter et r\u00e9gir les transferts de donn\u00e9es sensibles via certains canaux : e-mail, services cloud, terminaux ou supports amovibles. La DLP associe classification, politiques, exceptions et examen humain des \u00e9v\u00e9nements.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-dat\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat.webp\" alt=\"\" class=\"wp-image-248\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-dat-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\">Les fichiers clients envoy\u00e9s \u00e0 des adresses personnelles, la propri\u00e9t\u00e9 intellectuelle copi\u00e9e en dehors de l\u2019entreprise ou les obligations contractuelles de contr\u00f4le du mouvement de l\u2019information.<\/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\/protection-des-donnees\/\">Protection des donn\u00e9es<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Mise en \u0153uvre et conseil<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>DAT-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>Donn\u00e9es et canaux prioritaires<\/li>\n\n\n<li>observation<\/li>\n\n\n<li>politiques de d\u00e9tection<\/li>\n\n\n<li>avertissements ou blocage<\/li>\n\n\n<li>exceptions justifi\u00e9es<\/li>\n\n\n<li>flux de travail<\/li>\n\n\n<li>Autorisations d'enqu\u00eate<\/li>\n\n\n<li>Protection des logs<\/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>Politique DLP<\/li>\n\n\n<li>carte de couverture<\/li>\n\n\n<li>R\u00e8gles test\u00e9es<\/li>\n\n\n<li>Flux de travail pour les exceptions<\/li>\n\n\n<li>Processus de manipulation<\/li>\n\n\n<li>formation<\/li>\n\n\n<li>mesures de qualit\u00e9 et de couverture<\/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 donn\u00e9es d\u2019essais sont d\u00e9tect\u00e9es sur les canaux couverts ; les exceptions fonctionnent ; l\u2019utilisation commerciale est pr\u00e9serv\u00e9e ; les faux positifs sont mesur\u00e9s ; les zones non couvertes sont explicitement 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\">Identifier les donn\u00e9es et les propri\u00e9taires ; d\u00e9finir les politiques ; piloter sur un p\u00e9rim\u00e8tre sensible ; mesurer les erreurs ; d\u00e9ployer et organiser les exceptions.<\/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 donn\u00e9es m\u00e9tier, DPO\/juridique\/RH selon les besoins, administrateurs et r\u00e8gles de conservation. Fournisseur : conception technique et v\u00e9rification 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\">D\u00e9p\u00f4ts, volumes, cat\u00e9gories, canaux, populations, formats et qualit\u00e9 des autorisations. La gestion des licences DLP\/classification et le traitement des \u00e9v\u00e9nements sont distincts du d\u00e9ploiement.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Quels transferts doivent \u00eatre bloqu\u00e9s ou simplement signal\u00e9s ? Quels canaux sont essentiels ? Qui est habilit\u00e9 \u00e0 inspecter le contenu des \u00e9v\u00e9nements DLP ?<\/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\">DLP ne peut garantir qu\u2019une fuite de donn\u00e9es n\u2019est pas possible. La couverture des applications, le contenu chiffr\u00e9 et les captures d\u2019\u00e9cran d\u00e9pendent de la solution ; le contr\u00f4le des employ\u00e9s doit rester proportionn\u00e9 et l\u00e9gal.<\/p>\n\n\n<p class=\"wp-block-paragraph\">La minimisation, la proportionnalit\u00e9 et la confidentialit\u00e9 de l'enqu\u00eate doivent \u00eatre d\u00e9limit\u00e9es. Aucune garantie de z\u00e9ro fuite ou d'avis juridique complet.<\/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 transmet des contrats confidentiels \u00e0 travers plusieurs outils. Projet : commencer par les canaux les plus actifs puis introduire le DLP. Objectif : assurer un transfert des donn\u00e9es sensibles de mani\u00e8re contr\u00f4l\u00e9e et rapide pour r\u00e9pondre \u00e0 des besoins l\u00e9gitimes.<\/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 fabricant prot\u00e8ge les fichiers de conception. Projet : combiner la classification avec les politiques d\u2019endpoint\/cloud et tester les exportations approuv\u00e9es. Objectif : des restrictions coh\u00e9rentes ; les formats non reconnus sont soumis \u00e0 des contr\u00f4les suppl\u00e9mentaires ou restent d\u00e9clar\u00e9s hors de la port\u00e9e de la couverture.<\/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 : Proofpoint Data Loss Prevention et Microsoft Purview DLP ; la s\u00e9lection d\u00e9pend des canaux, des int\u00e9grations, des licences et des exigences en mati\u00e8re de confidentialit\u00e9.<\/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\">AI-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/assistant-de-documents-rag-sensible-aux-autorisations\/\">Assistant de documents RAG sensible aux autorisations<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Connecter un assistant \u00e0 des documents d'entreprise sans accorder plus de acc\u00e8s que l'utilisateur n'en poss\u00e8de. Le RAG r\u00e9cup\u00e8re les documents avant de g\u00e9n\u00e9rer une r\u00e9ponse ; les autorisations doivent \u00eatre appliqu\u00e9es avant que les donn\u00e9es interdites n'entrent dans le contexte du mod\u00e8le.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/assistant-de-documents-rag-sensible-aux-autorisations\/\">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>D\u00e9tecter et r\u00e9gir les transferts de donn\u00e9es sensibles via certains canaux : e-mail, services cloud, terminaux ou supports amovibles. La DLP associe classification, politiques, exceptions et examen humain des \u00e9v\u00e9nements.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[12],"class_list":["post-112","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/112","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\/112\/revisions"}],"predecessor-version":[{"id":507,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/112\/revisions\/507"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=112"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=112"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}