Crypto payment card provider Gnosis Pay has confirmed that unauthorized access to its legacy B2C card system was detected on November 3, resulting in the breach of certain customer information. The company initiated containment measures within two hours, replacing compromised credentials and patching the vulnerability. Gnosis Pay stated that customer funds and its enterprise white-label card platform remain unaffected. The company has since stepped up card and wallet monitoring, mandated 3D Secure verification for all online card payments, and notified affected customers. The legacy system is scheduled to be retired on December 20.