Crédit Mutuel Arkéa hack: French bank confirms cyberattack as ZachXBT traces $133 million

The information provided in this article is for informational purposes only and does not constitute financial advice. Cryptocurrency investments carry a high degree of risk. Always conduct your own research.French bank Crédit Mutuel Arkéa has confirmed a cyberattack involving fraudulent operations and says customer assets were not affected. Investigator ZachXBT is tracing more than $133 million that allegedly left via crypto exchanges and Monero.Crédit Mutuel Arkéa confirms a cyberattack involving fraudulent operations.Add as a preferred source on GoogleFollow on Google NewsFrench cooperative bank Crédit Mutuel Arkéa confirmed on Wednesday, November 4, 2026, a cyberattack that it says enabled "fraudulent operations". On-chain investigator ZachXBT links the attack to outflows of more than $133 million that are said to have moved through crypto exchanges, stablecoins, ether and Monero. The bank has not yet given a figure and stresses that its customers' assets were not affected.Two things are therefore documented: an attack the bank itself acknowledges, and a money trail that a well-known blockchain analyst is tracing in public. Whether the two belong together in full, Arkéa has so f...