[Sony Bank Discloses: Unauthorized Access to Digital Securities Partner Securitize Japan Leads to Leak of 621 Customer Information] According to a Sony Bank announcement (updated November 4), an anomaly was detected in the system of Securitize Japan, its outsourced digital securities business, on October 29, and it was confirmed that unauthorized external access occurred that same day. A log review revealed that the information of 621 customers was leaked. Among them, the names, addresses, dates of birth, and account numbers of four customers were leaked, and only the names of 617 customers were leaked. Sony Bank stated that no improper transactions resulting from this have been found, nor has any related information been publicly disclosed or disseminated online. The incident only involves digital securities business; related transactions have been suspended, and the resumption time will be announced separately.