{"id":2832,"date":"2026-11-04T14:46:31","date_gmt":"2026-11-04T13:46:31","guid":{"rendered":"https:\/\/www.toutsurmesfinances.com\/actualites\/?p=2832"},"modified":"2026-11-04T14:47:58","modified_gmt":"2026-11-04T13:47:58","slug":"credit-mutuel-arkea-victime-dune-cyberattaque-des-virements-retardes-les-clients-appeles-a-la-vigilance","status":"publish","type":"post","link":"https:\/\/www.toutsurmesfinances.com\/actualites\/a\/credit-mutuel-arkea-victime-dune-cyberattaque-des-virements-retardes-les-clients-appeles-a-la-vigilance","title":{"rendered":"Cr\u00e9dit Mutuel Ark\u00e9a victime d\u2019une cyberattaque : des virements retard\u00e9s, les clients appel\u00e9s \u00e0 la vigilance"},"content":{"rendered":"<p>Dans son communiqu\u00e9 diffus\u00e9 mercredi 4 novembre, Cr\u00e9dit Mutuel Ark\u00e9a a annonc\u00e9 avoir \u00e9t\u00e9 victime d\u2019une cyberattaque ayant permis des op\u00e9rations frauduleuses. Le groupe bancaire brestois indique avoir suspendu temporairement certaines transactions pour emp\u00eacher de nouvelles fraudes. Il ne pr\u00e9cise pas le montant du pr\u00e9judice, toujours en cours d\u2019\u00e9valuation. Cr\u00e9dit Mutuel Ark\u00e9a r\u00e9unit notamment le Cr\u00e9dit Mutuel de Bretagne, le Cr\u00e9dit Mutuel du Sud-Ouest et la banque en ligne Fortuneo.<\/p>\n<p>Selon le quotidien r\u00e9gional <em>Le T\u00e9l\u00e9gramme<\/em>, les sommes d\u00e9tourn\u00e9es atteindraient \u00ab\u00a0plus de 133\u00a0millions de dollars, soit 118\u00a0millions d\u2019euros\u00a0\u00bb. Ce montant n\u2019est pas confirm\u00e9 par Cr\u00e9dit Mutuel Ark\u00e9a.<\/p>\n<p>La banque assure que les avoirs de ses clients ne sont pas touch\u00e9s et que certaines op\u00e9rations de virement ont \u00e9t\u00e9 retard\u00e9es. Elle pr\u00e9cise que les transactions reprennent progressivement depuis mercredi matin, apr\u00e8s un renforcement des mesures de s\u00e9curit\u00e9.<\/p>\n<p>Le groupe affirme \u00e9galement que les montants concern\u00e9s ne remettent pas en cause sa solidit\u00e9 financi\u00e8re.<\/p>\n<p>Cr\u00e9dit Mutuel Ark\u00e9a met toutefois en garde contre de possibles tentatives d\u2019hame\u00e7onnage (phishing) \u00e0 la suite de l\u2019attaque. Il recommande \u00e0 ses clients de ne jamais communiquer leurs identifiants, mots de passe, num\u00e9ros de carte bancaire ou codes de validation re\u00e7us par SMS. En cas de message suspect, la banque conseille de contacter directement son conseiller.<\/p>\n<p>Lire aussi notre article <a href=\"https:\/\/www.toutsurmesfinances.com\/actualites\/a\/piratage-des-impots-comment-reconnaitre-le-mail-de-la-dgfip-et-eviter-les-arnaques\">Piratage des imp\u00f4ts : comment reconna\u00eetre le mail de la DGFiP et \u00e9viter les arnaques<\/a><\/p>\n<p>LF\/JPD<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le 4 novembre, le groupe bancaire brestois a confirm\u00e9 avoir subi une cyberattaque. Le pr\u00e9judice atteindrait 118 millions d\u2019euros, selon Le T\u00e9l\u00e9gramme.<\/p>\n","protected":false},"author":13719,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2832","post","type-post","status-publish","format-standard","hentry","category-a-la-une"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cr\u00e9dit Mutuel Ark\u00e9a victime d\u2019une cyberattaque : des virements retard\u00e9s, les clients appel\u00e9s \u00e0 la vigilance<\/title>\n<meta name=\"description\" content=\"Cr\u00e9dit Mutuel Ark\u00e9a, maison m\u00e8re de Fortuneo, confirme une cyberattaque. 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