Sony Bank: Digital Securities Custodian Securitize Japan Suffers Unauthorized Access, Personal Information of 617 Customers Leaked

On November 4 that, according to an announcement by Sony Bank, its digital securities service contractor Securitize Japan suffered unauthorized external access, resulting in the leakage of personal information for 617 clients. Among them, the names, addresses, dates of birth, and account information of 4 clients were leaked, while the names of another 617 clients were leaked.

Sony Bank stated that Securitize Japan detected a system anomaly and confirmed unauthorized external access on October 29, subsequently notifying Sony Bank. To date, no fraudulent transactions have been identified as a result of this incident, nor has the leaked information been disseminated online.

In response to the incident, Sony Bank has suspended digital securities trading and will contact affected customers individually. The bank emphasized that the incident is limited to the digital securities service system provided by Securitize and does not impact other banking services. The timeline for resuming trading remains undetermined.