Japanese cryptocurrency exchange Zaif has had approximately 380,000 customer email addresses leaked.

Arara, the email service provider for Japanese cryptocurrency exchange Zaif, suffered unauthorized access, resulting in the exposure of approximately 380,000 customer email addresses. The leaked information is limited to email addresses and does not include names, transaction details, or passwords. No intrusion was detected in Zaif's systems, and no asset loss has been confirmed. Zaif has suspended email sending and reminded customers to be wary of phishing emails, recommending that they switch to using an authentication application for two-factor authentication.