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Sony Bank: Digital Securities Outsourcing Provider Compromised, Customer Information Leaked

2026-11-04 21:41

According to a TechFlow report on November 4, Sony Bank said in an announcement that its digital securities business outsourcing provider, Securitize Japan, suffered unauthorized access to its systems, resulting in a customer information leak.

Sony Bank said the names, addresses, dates of birth, and account numbers of four customers were leaked, along with the names of 617 additional customers. Securitize detected system anomalies on October 29 and confirmed external unauthorized access on the same day.

Sony Bank said digital securities trading is currently suspended and customers will be notified after it resumes. No improper transactions resulting from the incident have been detected, and there is no confirmation that the leaked information has been published or disseminated on the internet.

Source: TechFlow