{"id":3802,"date":"2026-03-20T11:49:55","date_gmt":"2026-03-20T10:49:55","guid":{"rendered":"https:\/\/www.oneytrust.com\/?p=3802"},"modified":"2026-03-20T11:49:57","modified_gmt":"2026-03-20T10:49:57","slug":"fraude-remboursement-ia-generative","status":"publish","type":"post","link":"https:\/\/www.oneytrust.com\/fr\/fraude-remboursement-ia-generative\/","title":{"rendered":"Fraude au remboursement : quand l\u2019IA devient l\u2019arme des fraudeurs\u2026"},"content":{"rendered":"<p>Un ph\u00e9nom\u00e8ne que TF1 a r\u00e9cemment mis en lumi\u00e8re dans son reportage du 20h, o\u00f9 Oneytrust a pu partager son expertise et d\u00e9crypter ces nouvelles pratiques frauduleuses.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"TF1-oneytrust mars2026\" src=\"https:\/\/player.vimeo.com\/video\/1172835019?dnt=1&amp;app_id=122963\" width=\"720\" height=\"405\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\ud83d\udea8 <strong>Une fraude en pleine mutation gr\u00e2ce \u00e0 l\u2019IA g\u00e9n\u00e9rative<\/strong><\/p>\n\n\n\n<p>Les fraudeurs disposent aujourd\u2019hui de technologies autrefois r\u00e9serv\u00e9es \u00e0 des experts. Quelques clics suffisent pour g\u00e9n\u00e9rer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>- des images truqu\u00e9es<\/strong> de produits \u201ccens\u00e9s\u201d \u00eatre cass\u00e9s,<\/li>\n\n\n\n<li><strong>- des justificatifs falsifi\u00e9s<\/strong>,<\/li>\n\n\n\n<li>- des <strong>identit\u00e9s synth\u00e9tiques bien travaill\u00e9es.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Comme l\u2019explique TF1, des vendeurs particuliers voient d\u00e9sormais des litiges ouverts \u00e0 partir de photos manipul\u00e9es par IA, avec parfois un traitement automatis\u00e9 qui se retourne\u2026 contre la victime honn\u00eate elle-m\u00eame.<\/p>\n\n\n\n<p>Un utilisateur interview\u00e9 raconte ainsi avoir perdu 180 \u20ac \u00e0 cause d'une image g\u00e9n\u00e9r\u00e9e par IA qui montrait un vinyle soi-disant bris\u00e9 \u2014 un objet qui, de nature, ne se casse pas de cette mani\u00e8re. Le syst\u00e8me automatis\u00e9 de la plateforme a pourtant donn\u00e9 raison au fraudeur, illustrant la vuln\u00e9rabilit\u00e9 des contr\u00f4les classiques.<\/p>\n\n\n\n<p>Ce ph\u00e9nom\u00e8ne s\u2019inscrit dans une tendance mondiale : la fraude aux images truqu\u00e9es explose, avec une croissance de 15 % des clich\u00e9s falsifi\u00e9s dans les r\u00e9clamations depuis d\u00e9but 2025.<\/p>\n\n\n\n<p>\ud83d\udcc8 <strong>Trois grandes \u00e9volutions observ\u00e9es par Oneytrust<\/strong><\/p>\n\n\n\n<p>Chez Oneytrust, nos experts constatent trois transformations majeures :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Une fraude plus sophistiqu\u00e9e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>L\u2019IA g\u00e9n\u00e9rative permet de produire des images tr\u00e8s r\u00e9alistes, parfois impossibles \u00e0 distinguer \u00e0 l\u2019\u0153il nu. Des identit\u00e9s synth\u00e9tiques ou des factures recr\u00e9\u00e9es pixel par pixel peuvent berner les syst\u00e8mes traditionnels de v\u00e9rification.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Une industrialisation des tentatives<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Ce qui relevait autrefois d\u2019un travail manuel devient automatis\u00e9. Les fraudeurs lancent d\u00e9sormais de vastes campagnes coordonn\u00e9es, augmentant drastiquement le volume de tentatives d\u00e9tect\u00e9es sur les sites e-commerce.<br>Cette industrialisation est confirm\u00e9e par le reportage TF1, qui alerte sur des vagues d\u2019escroqueries affectant potentiellement des millions de personnes.\u00a0<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>De nouveaux signaux faibles<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Les m\u00e9thodes classiques ne suffisent plus. Lorsque les preuves sont g\u00e9n\u00e9r\u00e9es par IA, les comportements, les m\u00e9tadonn\u00e9es et les incoh\u00e9rences contextuelles deviennent les nouveaux terrains d\u2019analyse.<\/p>\n\n\n\n<p><br><strong>\ud83d\udee1 L\u2019IA, une arme indispensable pour contrer ces nouvelles attaques<\/strong><\/p>\n\n\n\n<p>Face \u00e0 des fraudeurs qui utilisent l\u2019IA, les solutions de lutte contre la fraude doivent \u00e9voluer. C\u2019est pour cela qu\u2019Oneytrust a int\u00e9gr\u00e9 des mod\u00e8les d\u2019intelligence artificielle avanc\u00e9s au c\u0153ur de ses technologies.<\/p>\n\n\n\n<p>Nos syst\u00e8mes permettent notamment de :<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Rep\u00e9rer les incoh\u00e9rences comportementales et contextuelles<\/strong><\/p>\n\n\n\n<p>Fr\u00e9quence des retours, historiques inhabituels, adresses ou appareils multiples : les patterns parlent.<br>Notre solution croise ces signaux pour identifier les abus bien avant qu\u2019ils ne se r\u00e9p\u00e8tent de mani\u00e8re visible.\u00a0<\/p>\n\n\n\n<p>\ud83d\udc49<strong> S\u2019adapter en temps r\u00e9el<\/strong><\/p>\n\n\n\n<p>Les m\u00e9thodes de fraude changent chaque semaine. Nos mod\u00e8les se recalibrent en continu pour suivre ces \u00e9volutions et bloquer les attaques \u00e9mergentes.<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Identifier les r\u00e9seaux organis\u00e9s<\/strong><\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 l\u2019analyse de la structure de la donn\u00e9e, la corr\u00e9lation des \u00e9l\u00e9ments d\u2019identit\u00e9, d\u2019appareils et d\u2019historique r\u00e9seau, Oneytrust expose les groupes criminels organis\u00e9s qui op\u00e8rent sous diff\u00e9rentes identit\u00e9s ou comptes.<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Ajuster la d\u00e9tection \u00e0 vos process de retour<\/strong><\/p>\n\n\n\n<p>Oneytrust s\u2019adapte finement aux politiques de retour et aux parcours internes de chaque enseigne, en int\u00e9grant leurs r\u00e8gles, leurs seuils et leurs sp\u00e9cificit\u00e9s op\u00e9rationnelles.<\/p>\n\n\n\n<p>\ud83e\udd1d <strong>Le v\u00e9ritable enjeu : pr\u00e9server la confiance<\/strong><\/p>\n\n\n\n<p>Dans ce contexte, la question n\u2019est plus seulement de bloquer la fraude.<br>Il s\u2019agit de <strong>prot\u00e9ger la relation de confiance <\/strong>entre les marchands et leurs clients.<\/p>\n\n\n\n<p>Un exc\u00e8s de suspicion peut d\u00e9grader l\u2019exp\u00e9rience d\u2019achat. Une trop grande permissivit\u00e9 peut encourager les abus et fragiliser les mod\u00e8les \u00e9conomiques. L\u2019\u00e9quilibre est donc subtil \u2014 et l\u2019IA joue un r\u00f4le crucial pour diff\u00e9rencier avec pr\u00e9cision :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>- les acheteurs honn\u00eates,<\/li>\n\n\n\n<li>- des fraudeurs opportunistes,<\/li>\n\n\n\n<li>- des r\u00e9seaux criminels organis\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Oneytrust s\u2019engage \u00e0 maintenir cet \u00e9quilibre en combinant technologie de pointe et expertise humaine.<\/p>\n\n\n\n<p>\ud83d\udd2e <strong>Fraude et IA : un d\u00e9fi immense\u2026 mais loin d\u2019\u00eatre insurmontable<\/strong><\/p>\n\n\n\n<p>L\u2019intelligence artificielle a profond\u00e9ment transform\u00e9 le paysage de la fraude au remboursement. Elle donne aux fraudeurs de nouveaux outils, mais elle renforce encore plus la capacit\u00e9 des entreprises \u00e0 les d\u00e9tecter et les stopper.<\/p>\n\n\n\n<p>Avec un investissement continu, des mod\u00e8les de plus en plus performants et une collaboration renforc\u00e9e de tout l\u2019\u00e9cosyst\u00e8me, ce combat est non seulement possible, mais gagnable.<\/p>\n\n\n\n<p>La confiance est l\u2019un des fondements du commerce en ligne. Ensemble, continuons \u00e0 la prot\u00e9ger.<\/p>","protected":false},"excerpt":{"rendered":"<p>A phenomenon that TF1 recently highlighted in its 8pm news report, in which Oneytrust was able to share its expertise and shed light on these new fraudulent practices. \ud83d\udea8 Fraud is evolving rapidly thanks to generative AI Fraudsters now have access to technologies that were once the preserve of experts. It takes just a few&#8230;<\/p>","protected":false},"author":3,"featured_media":3804,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[6,1],"tags":[75,31,76,37,32,26],"class_list":["post-3802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expertise","category-general","tag-ai-act","tag-ecommerce","tag-fraud-prevention","tag-fraude","tag-ia","tag-luttecontrelafraude"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fraude au remboursement : l\u2019IA g\u00e9n\u00e9rative, nouvelle arme des fraudeurs<\/title>\n<meta name=\"description\" content=\"La fraude au remboursement explose avec l\u2019IA g\u00e9n\u00e9rative. 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