{"id":13849,"date":"2026-04-22T10:55:03","date_gmt":"2026-04-22T08:55:03","guid":{"rendered":"https:\/\/www.arcadsoftware.com\/dot\/?p=13849"},"modified":"2026-04-23T08:43:46","modified_gmt":"2026-04-23T06:43:46","slug":"anonymisation-donnees-de-sante-ia-et-recherche-medicale","status":"publish","type":"post","link":"https:\/\/www.arcadsoftware.fr\/dot\/ressources\/blog\/anonymisation-donnees-de-sante-ia-et-recherche-medicale\/","title":{"rendered":"Anonymisation des donn\u00e9es de sant\u00e9 : enjeux, techniques et bonnes pratiques pour l&#8217;IA et la recherche m\u00e9dicale"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right-small:20px;--awb-padding-left-small:20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:20px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:10px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:center;--awb-max-width:600px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\" style=\"border-radius:8px;\"><img decoding=\"async\" width=\"940\" height=\"350\" alt=\"Anonymisation des donn\u00e9es de sant\u00e9\" src=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale.png\" data-orig-src=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale.png\" class=\"lazyload img-responsive wp-image-13853\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27940%27%20height%3D%27350%27%20viewBox%3D%270%200%20940%20350%27%3E%3Crect%20width%3D%27940%27%20height%3D%27350%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale-200x74.png 200w, https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale-400x149.png 400w, https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale-600x223.png 600w, https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale-800x298.png 800w, https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2026\/04\/banner-blog-article-anonymisation-donnees-ia-medicale.png 940w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 800px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:10px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1 sm-text-align-left author\" style=\"--awb-content-alignment:center;\"><p>Par Guillaume Donnadieu \u00b7 22 avril 2026<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right:20px;--awb-padding-left:20px;--awb-flex-wrap:wrap;\" id=\"blog-content\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\" style=\"--awb-content-alignment:left;\"><p><strong>L'intelligence artificielle transforme la recherche m\u00e9dicale,<\/strong> mais elle repose sur un catalyseur sensible : les donn\u00e9es de sant\u00e9. Comment permettre l'innovation tout en prot\u00e9geant l'identit\u00e9 des patients ? L'anonymisation des donn\u00e9es de sant\u00e9 s'impose comme une brique technologique incontournable.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_2_3 2_3 fusion-flex-column to-remember\" style=\"--awb-padding-top:25px;--awb-padding-right:25px;--awb-padding-bottom:5px;--awb-padding-left:25px;--awb-overflow:hidden;--awb-bg-size:cover;--awb-border-color:var(--accent);--awb-border-left:3px;--awb-border-style:solid;--awb-border-radius:9px 9px 9px 9px;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3 fusion-text-no-margin\" style=\"--awb-margin-bottom:0px;\"><p><span class=\"title\">Ce qu'il faut retenir<\/span><\/p>\n<\/div><ul style=\"--awb-size:14px;--awb-margin-bottom:20px;--awb-item-padding-top:6px;--awb-item-padding-bottom:0px;--awb-iconcolor:#c0392b;--awb-line-height:23.8px;--awb-icon-width:23.8px;--awb-icon-height:23.8px;--awb-icon-margin:9.8px;--awb-content-margin:33.6px;--awb-circlecolor:rgba(226,226,226,0.61);--awb-circle-yes-font-size:12.32px;\" class=\"fusion-checklist fusion-checklist-1 type-numbered\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\">1<\/span><div class=\"fusion-li-item-content\">\n<p><strong>L'anonymisation est indispensable pour l'IA m\u00e9dicale :<\/strong> elle permet d'exploiter des donn\u00e9es de sant\u00e9 \u00e0 grande \u00e9chelle sans compromettre la vie priv\u00e9e des patients.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\">2<\/span><div class=\"fusion-li-item-content\">\n<p><strong>Un atout conformit\u00e9<\/strong> : des donn\u00e9es v\u00e9ritablement anonymis\u00e9es ne sont plus soumises au RGPD.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\">3<\/span><div class=\"fusion-li-item-content\">\n<p><strong>Des techniques compl\u00e9mentaires<\/strong> : masking, k-anonymit\u00e9, differential privacy\u2026 \u00e0 adapter selon les besoins.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\">4<\/span><div class=\"fusion-li-item-content\">\n<p><strong>Un acc\u00e9l\u00e9rateur d'innovation pour l'IA<\/strong> : elle s\u00e9curise les projets et facilite la recherche m\u00e9dicale.<\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">1. Pourquoi l'anonymisation des donn\u00e9es de sant\u00e9 est indispensable \u00e0 l'IA et \u00e0 la recherche m\u00e9dicale<\/h2><\/div><div class=\"fusion-text fusion-text-4\" style=\"--awb-content-alignment:left;\"><p>Les projets d'IA dans la sant\u00e9 reposent sur <strong>des volumes massifs de donn\u00e9es<\/strong> pour entra\u00eener des mod\u00e8les capables d'identifier des patterns complexes : diagnostic de cancers \u00e0 partir d'imagerie m\u00e9dicale, analyse g\u00e9nomique pour la m\u00e9decine personnalis\u00e9e, pr\u00e9diction de pathologies \u00e0 partir des dossiers m\u00e9dicaux ou encore optimisation des essais cliniques.<\/p>\n<p>Ces <strong>jeux de donn\u00e9es<\/strong> contiennent presque toujours des<strong> \u00e9l\u00e9ments directement identifiants<\/strong> : noms de patients, dates de naissance, identifiants hospitaliers, num\u00e9ros de s\u00e9curit\u00e9 sociale, historiques m\u00e9dicaux, informations g\u00e9n\u00e9tiques ou adresses.<\/p>\n<p>Or ces \u00e9l\u00e9ments rel\u00e8vent <strong>des donn\u00e9es personnelles sensibles<\/strong> au sens du RGPD (article 9) et de la loi Informatique et Libert\u00e9s. Leur utilisation brute est donc strictement encadr\u00e9e et surveill\u00e9e par la CNIL.<\/p>\n<p>\u2192 <b>Le paradoxe est clair :<\/b> l'IA a besoin de grandes quantit\u00e9s de donn\u00e9es r\u00e9elles pour apprendre, mais ces donn\u00e9es ne peuvent pas \u00eatre utilis\u00e9es librement. <strong>L'anonymisation des donn\u00e9es de sant\u00e9<\/strong> permet de r\u00e9soudre cette tension en rendant les jeux de donn\u00e9es exploitables sans compromettre la vie priv\u00e9e des patients.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">2. Le cadre r\u00e9glementaire de l'anonymisation des donn\u00e9es de sant\u00e9 en France et en Europe<\/h2><\/div><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">1. Ce que dit le RGPD<\/h3><\/div><div class=\"fusion-text fusion-text-5\" style=\"--awb-content-alignment:left;\"><p>Le R\u00e8glement G\u00e9n\u00e9ral sur la Protection des Donn\u00e9es (RGPD) impose <strong>trois grands principes<\/strong> qui impactent directement l'utilisation de donn\u00e9es de sant\u00e9 pour l'IA :<\/p>\n<\/div><ul style=\"--awb-size:16px;--awb-margin-top:-15px;--awb-item-padding-top:0px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:var(--awb-color1);--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-2 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong>Finalit\u00e9 (article 5.1.b) :<\/strong> les donn\u00e9es ne peuvent \u00eatre collect\u00e9es que pour un objectif pr\u00e9cis et l\u00e9gitime.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong>Minimisation (article 5.1.c) :<\/strong> seules les donn\u00e9es strictement n\u00e9cessaires doivent \u00eatre trait\u00e9es.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong>Protection de l'identit\u00e9<\/strong> des personnes concern\u00e9es.<\/p>\n<\/div><\/li><\/ul><div class=\"fusion-text fusion-text-6\" style=\"--awb-content-alignment:left;--awb-margin-top:20px;\"><p>Point essentiel : <strong>le RGPD ne s'applique plus lorsque les donn\u00e9es sont r\u00e9ellement anonymis\u00e9es<\/strong> (consid\u00e9rant 26). Un jeu de donn\u00e9es correctement anonymis\u00e9 sort donc du champ d'application du r\u00e8glement, ce qui ouvre des possibilit\u00e9s bien plus larges pour la recherche et l'IA.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">2. Le r\u00f4le de la CNIL et des m\u00e9thodologies de r\u00e9f\u00e9rence<\/h3><\/div><div class=\"fusion-text fusion-text-7\" style=\"--awb-content-alignment:left;\"><p>En France, la CNIL encadre sp\u00e9cifiquement l'usage des donn\u00e9es de sant\u00e9 \u00e0 des fins de recherche \u00e0 travers ses m\u00e9thodologies de r\u00e9f\u00e9rence (MR). Les MR-004 et MR-005 d\u00e9finissent les conditions dans lesquelles des donn\u00e9es de sant\u00e9 peuvent \u00eatre r\u00e9utilis\u00e9es pour la recherche, les \u00e9tudes et les \u00e9valuations, y compris lorsqu'elles transitent par des entrep\u00f4ts de donn\u00e9es de sant\u00e9.<\/p>\n<p><strong>Lorsque l'anonymisation est effective, ces m\u00e9thodologies ne s'appliquent plus<\/strong>, d'o\u00f9 l'int\u00e9r\u00eat strat\u00e9gique d'une anonymisation robuste en amont des projets de data science.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">3. L'avis du CEPD sur les techniques d'anonymisation<\/h3><\/div><div class=\"fusion-text fusion-text-8\" style=\"--awb-content-alignment:left;\"><p>Le Comit\u00e9 Europ\u00e9en de la Protection des Donn\u00e9es (CEPD, ex-G29) a publi\u00e9 un avis de r\u00e9f\u00e9rence (avis 05\/2014) d\u00e9taillant les crit\u00e8res d'une anonymisation r\u00e9ussie. <strong>Trois risques doivent \u00eatre \u00e9limin\u00e9s<\/strong> pour qu'un jeu de donn\u00e9es soit consid\u00e9r\u00e9 comme r\u00e9ellement anonyme :<\/p>\n<\/div><ul style=\"--awb-size:16px;--awb-margin-top:-15px;--awb-item-padding-top:0px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:var(--awb-color1);--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-3 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>L'individualisation :<\/b> pouvoir isoler un individu dans le dataset.<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>La corr\u00e9lation : <\/b>pouvoir relier entre elles des donn\u00e9es relatives \u00e0 un m\u00eame individu.<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chevron-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>L'inf\u00e9rence : <\/b>pouvoir d\u00e9duire de nouvelles informations sur un individu.<\/div><\/li><\/ul><div class=\"fusion-text fusion-text-9\" style=\"--awb-content-alignment:left;--awb-margin-top:20px;\"><p>Ces crit\u00e8res servent aujourd'hui de r\u00e9f\u00e9rence pour \u00e9valuer la qualit\u00e9 de toute d\u00e9marche d'anonymisation de donn\u00e9es de sant\u00e9.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">4. Le Health Data Hub et les entrep\u00f4ts de donn\u00e9es de sant\u00e9 (HDS)<\/h3><\/div><div class=\"fusion-text fusion-text-10\" style=\"--awb-content-alignment:left;\"><p>En France, le <strong>Health Data Hub<\/strong> (Plateforme des donn\u00e9es de sant\u00e9) centralise l'acc\u00e8s aux grandes bases de donn\u00e9es de sant\u00e9 \u00e0 des fins de recherche. Les <strong>entrep\u00f4ts de donn\u00e9es de sant\u00e9 (EDS)<\/strong> hospitaliers, quant \u00e0 eux, permettent aux \u00e9tablissements de regrouper et structurer leurs donn\u00e9es cliniques.<\/p>\n<p>Dans les deux cas, l'anonymisation est un pr\u00e9requis fr\u00e9quent pour autoriser le partage de donn\u00e9es avec des tiers (\u00e9quipes de recherche, startups de la health-tech ou partenaires industriels).<\/p>\n<\/div><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">3. Anonymisation et pseudonymisation des donn\u00e9es de sant\u00e9 : quelle diff\u00e9rence ?<\/h2><\/div><div class=\"fusion-text fusion-text-11\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>Cette distinction est fondamentale et souvent source de confusion.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">Pseudonymisation<\/h3><\/div><div class=\"fusion-text fusion-text-12\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>La pseudonymisation consiste \u00e0 <strong>remplacer les identifiants directs<\/strong> (nom, num\u00e9ro patient) <strong>par des valeurs techniques<\/strong> (identifiant al\u00e9atoire, token). Elle prot\u00e8ge l'identit\u00e9 visible, mais une cl\u00e9 de correspondance existe toujours : il reste donc th\u00e9oriquement possible de r\u00e9-identifier un individu.<\/p>\n<p>Au sens du RGPD, les donn\u00e9es pseudonymis\u00e9es restent des donn\u00e9es personnelles. <strong>Elles demeurent soumises \u00e0 l'ensemble des obligations du r\u00e8glement.<\/strong><\/p>\n<\/div><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">Anonymisation<\/h3><\/div><div class=\"fusion-text fusion-text-13\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>L'anonymisation, elle, vise \u00e0 <strong>supprimer d\u00e9finitivement toute possibilit\u00e9 de r\u00e9-identification<\/strong>, y compris par croisement de donn\u00e9es. Lorsqu'un jeu de donn\u00e9es est r\u00e9ellement anonymis\u00e9, il sort du champ d'application du RGPD et peut \u00eatre utilis\u00e9 beaucoup plus librement pour la recherche scientifique, l'entra\u00eenement de mod\u00e8les d'IA, le partage avec des tiers ou l'alimentation d'entrep\u00f4ts de donn\u00e9es analytiques.<\/p>\n<p>\u2192 C'est pourquoi l'anonymisation des donn\u00e9es de sant\u00e9 est aujourd'hui consid\u00e9r\u00e9e comme une <b>infrastructure cl\u00e9<\/b> pour l'IA m\u00e9dicale.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">4. Les techniques d'anonymisation des donn\u00e9es de sant\u00e9 pour la data science<\/h2><\/div><div class=\"fusion-text fusion-text-14\" style=\"--awb-content-alignment:left;\"><p>Diff\u00e9rentes m\u00e9thodes permettent de prot\u00e9ger l'identit\u00e9 des patients tout en conservant la valeur analytique des donn\u00e9es. Chacune a ses forces et ses limites.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">1. K-anonymit\u00e9<\/h3><\/div><div class=\"fusion-text fusion-text-15\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>La k-anonymisation consiste \u00e0 <strong>rendre chaque individu indistinguable<\/strong> parmi au moins k individus dans le jeu de donn\u00e9es. Concr\u00e8tement, un patient de 43 ans peut \u00eatre remplac\u00e9 par une tranche d'\u00e2ge (40-45 ans), une localisation pr\u00e9cise peut \u00eatre g\u00e9n\u00e9ralis\u00e9e \u00e0 l'\u00e9chelle d'un d\u00e9partement.<\/p>\n<p>Cette m\u00e9thode est largement <strong>utilis\u00e9e dans les bases de donn\u00e9es m\u00e9dicales structur\u00e9es<\/strong>. Sa limite principale : elle prot\u00e8ge mal contre les attaques par inf\u00e9rence lorsque les donn\u00e9es sont tr\u00e8s homog\u00e8nes au sein d'un groupe.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">2. Differential privacy (confidentialit\u00e9 diff\u00e9rentielle)<\/h3><\/div><div class=\"fusion-text fusion-text-16\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>La differential privacy consiste \u00e0 <strong>ajouter un bruit statistique contr\u00f4l\u00e9<\/strong> aux donn\u00e9es ou aux r\u00e9sultats de requ\u00eates, de sorte qu'il soit math\u00e9matiquement impossible de d\u00e9terminer si un individu donn\u00e9 est pr\u00e9sent ou non dans le jeu de donn\u00e9es.<\/p>\n<p>Cette technique, popularis\u00e9e par Apple et Google dans leurs produits grand public, est de plus en plus explor\u00e9e dans le domaine m\u00e9dical. Elle offre des garanties math\u00e9matiques formelles de protection de la vie priv\u00e9e, ce qui en fait l'une des approches les plus solides sur le plan th\u00e9orique.<\/p>\n<p>\u2192 Elle est particuli\u00e8rement <strong>adapt\u00e9e aux cas o\u00f9 les r\u00e9sultats agr\u00e9g\u00e9s doivent \u00eatre partag\u00e9s<\/strong> (statistiques de cohortes, indicateurs \u00e9pid\u00e9miologiques) tout en prot\u00e9geant chaque patient individuellement.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">3. Static Data Masking<\/h3><\/div><div class=\"fusion-text fusion-text-17\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>Le Static Data Masking consiste \u00e0 <strong>extraire les donn\u00e9es d'une base de production<\/strong>, <strong>anonymiser les informations sensibles<\/strong> et <strong>g\u00e9n\u00e9rer un jeu de donn\u00e9es s\u00e9curis\u00e9<\/strong> utilisable pour la recherche, les tests ou l'IA.<\/p>\n<p>Cette approche permet de supprimer les identifiants sensibles tout en conservant la coh\u00e9rence et la valeur statistique des donn\u00e9es. C'est un point fondamental pour la data science, puisque les mod\u00e8les d'IA doivent \u00eatre entra\u00een\u00e9s sur des donn\u00e9es statistiquement fiables.<\/p>\n<p>\u2192 <strong>Le Static Data Masking est aujourd'hui l'une des m\u00e9thodes les plus \u00e9prouv\u00e9es et les plus rapides \u00e0 d\u00e9ployer dans les environnements hospitaliers<\/strong> et les pipelines de donn\u00e9es de sant\u00e9. Des solutions sp\u00e9cialis\u00e9es comme DOT Anonymizer permettent d'automatiser ce processus \u00e0 grande \u00e9chelle sur des bases relationnelles et des fichiers structur\u00e9s.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-14 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.26;\">4. Donn\u00e9es synth\u00e9tiques<\/h3><\/div><div class=\"fusion-text fusion-text-18\" style=\"--awb-content-alignment:left;--awb-margin-top:-10px;\"><p>Une autre approche consiste \u00e0 <strong>g\u00e9n\u00e9rer des donn\u00e9es artificielles<\/strong> reproduisant les distributions statistiques des donn\u00e9es r\u00e9elles, sans qu'aucun enregistrement ne corresponde \u00e0 un patient r\u00e9el.<\/p>\n<p>Cette technique est particuli\u00e8rement int\u00e9ressante dans plusieurs cas :<\/p>\n<\/div><ul style=\"--awb-size:16px;--awb-margin-top:-15px;--awb-item-padding-top:0px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:var(--awb-color1);--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-4 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-check-square fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>les donn\u00e9es r\u00e9elles sont <b>tr\u00e8s rares <\/b>(maladies orphelines);<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-check-square fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>il faut augmenter la taille d'un jeu de donn\u00e9es pour am\u00e9liorer les performances d'un mod\u00e8le;<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-check-square fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>le partage de donn\u00e9es r\u00e9elles, m\u00eame anonymis\u00e9es, est juridiquement complexe.<\/p>\n<\/div><\/li><\/ul><div class=\"fusion-text fusion-text-19\" style=\"--awb-content-alignment:left;--awb-margin-top:20px;\"><p><span style=\"background-color: rgba(0, 0, 0, 0);\">Elle <strong>pr\u00e9sente cependant certaines limites<\/strong> : le temps de mise en place peut \u00eatre long, la complexit\u00e9 technique est \u00e9lev\u00e9e et il existe un risque de biais si le mod\u00e8le g\u00e9n\u00e9ratif ne capture pas fid\u00e8lement la structure statistique r\u00e9elle. Pour cette raison, donn\u00e9es synth\u00e9tiques et donn\u00e9es r\u00e9elles anonymis\u00e9es sont souvent utilis\u00e9es de mani\u00e8re compl\u00e9mentaire plut\u00f4t qu'en opposition.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_2_3 2_3 fusion-flex-column cta-box\" style=\"--awb-padding-top:25px;--awb-padding-right:20px;--awb-padding-bottom:30px;--awb-padding-left:20px;--awb-bg-image:radial-gradient(circle at center center, #daeaf65e 0%,#daeaf61a 100%);--awb-bg-size:cover;--awb-box-shadow:3px 3px 4px 0px #daeaf65e;;--awb-border-color:var(--awb-color5);--awb-border-style:solid;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-20 fusion-text-no-margin\" style=\"--awb-content-alignment:center;--awb-font-size:22px;--awb-text-color:var(--awb-color6);--awb-margin-bottom:15px;--awb-text-font-family:&quot;Poppins&quot;;--awb-text-font-style:normal;--awb-text-font-weight:800;\"><p>Anonymisez vos donn\u00e9es de sant\u00e9 avec DOT Anonymizer<\/p>\n<\/div><div style=\"text-align:center;\"><a class=\"fusion-button button-flat button-medium button-custom fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" style=\"--button_accent_color:#ffffff;--button_border_color:var(--awb-color6);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color6);--button_gradient_top_color:var(--awb-color6);--button_gradient_bottom_color:var(--awb-color6);--button_gradient_top_color_hover:var(--awb-color6);--button_gradient_bottom_color_hover:var(--awb-color6);\" target=\"_self\" data-hover=\"text_slide_up\" href=\"\/dot\/\"><div class=\"awb-button-text-transition  awb-button__hover-content--centered\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">D\u00e9couvrez DOT Anonymizer<\/span><span class=\"fusion-button-text awb-button__text awb-button__text--default\">D\u00e9couvrez DOT Anonymizer<\/span><\/div><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-15 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">5. Comment choisir la bonne approche d'anonymisation pour un projet d'IA m\u00e9dicale ?<\/h2><\/div><div class=\"fusion-text fusion-text-21\"><p><strong>Le choix de la technique d\u00e9pend du contexte du projet.<\/strong> Plusieurs crit\u00e8res entrent en jeu : la nature des donn\u00e9es (structur\u00e9es, textuelles, imagerie), le niveau de protection exig\u00e9, la n\u00e9cessit\u00e9 de conserver la granularit\u00e9 statistique et les contraintes de d\u00e9lais.<\/p>\n<p>En pratique, de nombreuses organisations combinent plusieurs m\u00e9thodes. Par exemple, le <strong>Static Data Masking<\/strong> peut \u00eatre utilis\u00e9 pour produire rapidement des jeux de donn\u00e9es exploitables, tandis que la <strong>differential privacy<\/strong> peut \u00eatre appliqu\u00e9e aux couches d'acc\u00e8s analytique. Les donn\u00e9es synth\u00e9tiques peuvent compl\u00e9ter le dispositif pour des cas d'usage sp\u00e9cifiques.<\/p>\n<p>Pour les organisations travaillant sur l'IA m\u00e9dicale (biotechs, acteurs de la health-tech, fournisseurs de solutions hospitali\u00e8res) mettre en place une strat\u00e9gie d'anonymisation adapt\u00e9e est un <strong>levier essentiel pour acc\u00e9l\u00e9rer l'innovation tout en respectant les exigences r\u00e9glementaires<\/strong>.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-16 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:54;line-height:1.14;\">6. En conclusion<\/h2><\/div><div class=\"fusion-text fusion-text-22\"><p>L'intelligence artificielle promet de transformer profond\u00e9ment la recherche m\u00e9dicale, mais cette r\u00e9volution <strong>repose sur un \u00e9l\u00e9ment fondamental<\/strong> : l'acc\u00e8s \u00e0 des donn\u00e9es de qualit\u00e9. Dans un contexte r\u00e9glementaire strict et face \u00e0 la sensibilit\u00e9 des donn\u00e9es de sant\u00e9, l'anonymisation devient une brique technologique indispensable pour concilier innovation, protection des patients et conformit\u00e9.<\/p>\n<p>Pour les entreprises d\u00e9veloppant des solutions d'IA m\u00e9dicale, construire une strat\u00e9gie d'anonymisation robuste n'est plus seulement une contrainte r\u00e9glementaire : c'est un acc\u00e9l\u00e9rateur d'innovation.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right:20px;--awb-padding-left:20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_2_3 2_3 fusion-flex-column cta-box\" style=\"--awb-padding-top:25px;--awb-padding-right:40px;--awb-padding-bottom:30px;--awb-padding-left:40px;--awb-bg-image:radial-gradient(circle at center center, #daeaf65e 0%,#daeaf61a 100%);--awb-bg-size:cover;--awb-box-shadow:3px 3px 4px 0px #daeaf65e;;--awb-border-color:var(--awb-color5);--awb-border-style:solid;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-23 fusion-text-no-margin\" style=\"--awb-content-alignment:center;--awb-font-size:22px;--awb-text-color:var(--awb-color6);--awb-margin-bottom:15px;--awb-text-font-family:&quot;Poppins&quot;;--awb-text-font-style:normal;--awb-text-font-weight:800;\"><p>Adoptez une solution d'anonymisation test\u00e9e et \u00e9prouv\u00e9e<\/p>\n<\/div><div style=\"text-align:center;\"><a class=\"fusion-button button-flat button-medium button-custom fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" style=\"--button_accent_color:#ffffff;--button_border_color:var(--awb-color6);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color6);--button_gradient_top_color:var(--awb-color6);--button_gradient_bottom_color:var(--awb-color6);--button_gradient_top_color_hover:var(--awb-color6);--button_gradient_bottom_color_hover:var(--awb-color6);\" target=\"_self\" data-hover=\"text_slide_up\" href=\"\/dot\/\"><div class=\"awb-button-text-transition  awb-button__hover-content--centered\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">D\u00e9couvrez DOT Anonymizer<\/span><span class=\"fusion-button-text awb-button__text awb-button__text--default\">D\u00e9couvrez DOT Anonymizer<\/span><\/div><\/a><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:45px;--awb-padding-bottom:45px;--awb-padding-right-small:20px;--awb-padding-left-small:20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_2_3 2_3 fusion-flex-column author\" style=\"--awb-padding-top:25px;--awb-padding-right:25px;--awb-padding-bottom:25px;--awb-padding-left:25px;--awb-bg-color:var(--awb-color1);--awb-bg-color-hover:var(--awb-color1);--awb-bg-size:cover;--awb-box-shadow:2px 1px 4px 0px rgba(33,41,52,0.41);;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_5 1_5 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:20%;--awb-margin-top-large:20px;--awb-spacing-right-large:0%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:9.6%;--awb-width-medium:20%;--awb-order-medium:0;--awb-spacing-right-medium:0%;--awb-spacing-left-medium:9.6%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:0%;--awb-margin-bottom-small:0px;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-max-width:130px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\" style=\"border-radius:50px;\"><img decoding=\"async\" width=\"200\" height=\"200\" alt=\"Photo de Guillaume Donnadieu, sp\u00e9cialiste en anonymisation\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27200%27%20viewBox%3D%270%200%20200%20200%27%3E%3Crect%20width%3D%27200%27%20height%3D%27200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2025\/11\/guillaume-donnadieu-specialiste-anonymisation.png\" class=\"lazyload img-responsive wp-image-13015\"\/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_3_4 3_4 fusion-flex-column fusion-flex-align-self-center\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:20px;--awb-spacing-right-large:2.56%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.56%;--awb-width-medium:75%;--awb-order-medium:0;--awb-spacing-right-medium:2.56%;--awb-spacing-left-medium:2.56%;--awb-width-small:100%;--awb-order-small:0;--awb-margin-top-small:0px;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-17 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:7px;--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:5px;--awb-margin-left-small:0px;--awb-font-size:13px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:500;margin:0;font-size:1em;--fontSize:13;--minFontSize:13;line-height:1.14;\">About the author<\/h2><\/div><div class=\"fusion-title title fusion-title-18 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:0px;--awb-margin-left-small:0px;--awb-font-size:22px;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;--fontSize:22;--minFontSize:22;line-height:1.26;\">Guillaume Donnadieu<\/h3><\/div><div class=\"fusion-title title fusion-title-19 fusion-sep-none fusion-title-text fusion-title-size-four\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:7px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:16px;\"><h4 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:400;margin:0;font-size:1em;--fontSize:16;--minFontSize:16;line-height:1.4;\">Anonymization Solution Specialist<\/h4><\/div><div class=\"fusion-text fusion-text-24 fusion-text-no-margin\" style=\"--awb-font-size:14px;--awb-line-height:1.4;--awb-margin-bottom:0px;--awb-text-font-family:&quot;Poppins&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p>With over 15 years of experience in Business Intelligence as well as data management and protection solutions, Guillaume joined ARCAD Software and helps companies make the right technology choices for their data anonymization and sampling projects.<\/p>\n<p>For any questions about anonymization, <a href=\"\/dot\/contact\/\">contact our specialists.<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div><div id=\"demo\" class=\"fusion-container-anchor\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling dem\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0%;--awb-padding-bottom:5%;--awb-padding-top-medium:40px;--awb-padding-top-small:0px;--awb-padding-right-small:20px;--awb-padding-left-small:20px;--awb-background-color:#124d79;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-center fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-menu-anchor\" id=\"version-d-essai\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-animated\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:0.96%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:0%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-animationType=\"fadeInRight\" data-animationDuration=\"1.6\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-20 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:#ffffff;--awb-margin-bottom:0px;--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;--awb-font-size:50px;\"><h2 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:800;margin:0;font-size:1em;--fontSize:50;line-height:1.14;\">VERSION D\u2019ESSAI \/ DEMO<\/h2><\/div><div class=\"fusion-text fusion-text-25\" style=\"--awb-content-alignment:center;--awb-font-size:25px;--awb-line-height:1.4em;--awb-letter-spacing:-0.02em;--awb-text-color:#ffffff;--awb-text-font-family:&quot;Poppins&quot;;--awb-text-font-style:normal;--awb-text-font-weight:300;\"><p>R\u00e9servez une version d\u2019essai ou une session dans notre sandbox !<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion-flex-column fusion-animated\" style=\"--awb-padding-top:32px;--awb-padding-right:20px;--awb-padding-bottom:18px;--awb-padding-left:20px;--awb-padding-right-small:20px;--awb-padding-left-small:20px;--awb-overflow:hidden;--awb-bg-color:#ffffff;--awb-bg-color-hover:#ffffff;--awb-bg-size:cover;--awb-box-shadow:0px 24px 32px -6px rgba(0,0,0,0.1);;--awb-border-color:rgba(0,0,0,0.08);--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-border-radius:12px 12px 12px 12px;--awb-width-large:42%;--awb-margin-top-large:20px;--awb-spacing-right-large:9.1428571428571%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:18.285714285714%;--awb-width-medium:50%;--awb-order-medium:2;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-margin-bottom-small:10px;--awb-spacing-left-small:1.92%;\" data-animationType=\"fadeInRight\" data-animationDuration=\"2.0\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-21 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;--awb-font-size:30px;\"><h3 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;--fontSize:30;line-height:1.26;\">Version d\u2019essai<\/h3><\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\" style=\"border-radius:8px;\"><img decoding=\"async\" width=\"85\" height=\"85\" alt=\"Test Data Management Expert\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%2785%27%20height%3D%2785%27%20viewBox%3D%270%200%2085%2085%27%3E%3Crect%20width%3D%2785%27%20height%3D%2785%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2025\/04\/contact-trial-version.png\" class=\"lazyload img-responsive wp-image-11670\"\/><\/span><\/div><div class=\"fusion-title title fusion-title-22 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-four\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:2px;--awb-margin-left-small:0px;--awb-margin-bottom-medium:4px;--awb-font-size:20px;\"><h4 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;--fontSize:20;--minFontSize:20;line-height:1.4;\">Essayez maintenant !<\/h4><\/div><div class=\"fusion-title title fusion-title-23 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-div\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:4px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:2px;--awb-margin-left-small:0px;--awb-margin-bottom-medium:4px;--awb-font-size:16px;\"><div class=\"fusion-title-heading title-heading-center title-heading-tag fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:400;margin:0;font-size:1em;--fontSize:16;--minFontSize:16;line-height:1.63;\">R\u00e9servez une version d\u2019essai<\/div><\/div><script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js.hsforms.net\/forms\/embed\/v2.js\"><\/script>\n<script>\n  hbspt.forms.create({\n    region: \"na1\",\n    portalId: \"4514828\",\n    formId: \"c5c6cf73-1a34-4925-a9b5-7cf588a9d350\",\n\tcss: \"\",\n        blockedDomains: [\"freschelegacy.com\",\"freschesolutions.com\",\"rocketsoftware.com\",\"softlanding.com\",\"mkssoftware.com\",\"midrangedynamics.com\",\"remainsoftware.com\",\"taskforce-it.de\",\"origsoft.com\",\"itheis.com\",\"idinfo-conseil.com\",\"broadcom.com\",\"rs.com\",\"idinfo.eu\",\"looksoftware.com\",\"proximity.co.uk\",\"bigblue.it\",\"xhypm.com\",\"seagullsoftware.com\",\"seagullsoftware.com\",\"xcase.com\",\"comsid.de\",\"genebag.com\",\"mailo.com\",\"neuf.fr\",\"pks.de\",\"armonie.group\",\"pascalpolverini.com\",\"polverinipartners.com\",\"systnaps.com\",\"sarus.tech\",\"microfocus.com\",\"opentext.com\",\"md-na.com\",\"redbourn.co.uk\",\"omninet.be\",\"cdinvest.be\",\"cdinvest.eu\",\"ptc.com\",\"alvinecapital.co.uk\",\"katchou.eu\",\"talend.com\",\"bartech.es\"],\n        translations: {\n           fr: {\n             required: \"Ce champs est requis.\",\n             missingSelect: \"Ce champs est requis.\",\n             forbiddenEmailDomain: \"Veuillez saisir une adresse professionnelle\",\n             manuallyBlockedEmailDomain: \"Veuillez saisir une adresse professionnelle\",\n             submitText: \"R\u00e9server une version d'essai\"\n           }\n       }\n});\n<\/script><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:14px;width:100%;\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion-flex-column fusion-no-medium-visibility\" style=\"--awb-bg-size:cover;--awb-width-large:10%;--awb-margin-top-large:20px;--awb-spacing-right-large:19.2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:19.2%;--awb-width-medium:10%;--awb-order-medium:0;--awb-spacing-right-medium:19.2%;--awb-spacing-left-medium:19.2%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-26 sm-text-align-center fusion-text-no-margin\" style=\"--awb-font-size:64px;--awb-text-color:#ffffff;--awb-margin-bottom:0px;\"><p><strong>ou<\/strong><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion-flex-column fusion-animated\" style=\"--awb-padding-top:32px;--awb-padding-right:20px;--awb-padding-bottom:18px;--awb-padding-left:20px;--awb-padding-right-small:20px;--awb-padding-left-small:20px;--awb-overflow:hidden;--awb-bg-color:#ffffff;--awb-bg-color-hover:#ffffff;--awb-bg-size:cover;--awb-box-shadow:0px 24px 32px -6px rgba(0,0,0,0.1);;--awb-border-color:rgba(0,0,0,0.08);--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-border-radius:12px 12px 12px 12px;--awb-width-large:42%;--awb-margin-top-large:20px;--awb-spacing-right-large:18.285714285714%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:9.1428571428571%;--awb-width-medium:50%;--awb-order-medium:2;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-margin-bottom-small:10px;--awb-spacing-left-small:1.92%;\" data-animationType=\"fadeInRight\" data-animationDuration=\"2.0\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-24 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color6);--awb-margin-top:0px;--awb-margin-bottom:5px;--awb-margin-top-small:12px;--awb-margin-right-small:0px;--awb-margin-bottom-small:24px;--awb-margin-left-small:0px;--awb-font-size:30px;\"><h3 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Poppins&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;--fontSize:30;line-height:1.26;\">D\u00e9mo<\/h3><\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\" style=\"border-radius:8px;\"><img decoding=\"async\" width=\"85\" height=\"85\" alt=\"Test Data Management Expert\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%2785%27%20height%3D%2785%27%20viewBox%3D%270%200%2085%2085%27%3E%3Crect%20width%3D%2785%27%20height%3D%2785%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.arcadsoftware.fr\/dot\/wp-content\/uploads\/2025\/05\/contact-demo.webp\" class=\"lazyload img-responsive wp-image-11921\"\/><\/span><\/div><div class=\"fusion-title title fusion-title-25 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-four\" 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