On October 30, Sony Bank announced that the system of Securitize Japan, an external contractor for its digital securities business, was accessed without authorization, resulting in the leakage of information for 621 of its customers. The announcement was updated on November 2 and 4.
The breach confirmed the leakage of names, addresses, dates of birth, and account numbers for four individuals, and the names of another 617 individuals. According to Sony Bank, this incident...