CybersecurityUpdated November 5

Crédit Mutuel Arkéa reports cyberattack tied to about €100 million in fraudulent transactions

Crédit Mutuel Arkéa announced a sophisticated cyberattack that enabled about €100 million in fraudulent transactions, Sky News Arabia reported on Nov. 5. The bank said customer accounts were unaffected, and the Paris public prosecutor’s office opened an investigation. Earlier crypto-theft reporting remains separate from the bank’s account. On Nov. 4, Cointelegraph reported that on-chain investigator ZachXBT identified the bank as the alleged victim of a suspected crypto theft, with a possible loss exceeding $133 million; at that point, the bank had not confirmed its involvement. Decrypt reported that the bank’s cyberattack announcement did not mention cryptocurrency and that it was still assessing the amounts. That earlier possible-loss estimate is distinct from the approximately €100 million in fraudulent transactions reported by Sky News Arabia.

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Coverage started November 4