Three banks under Resona Holdings announced that customer email addresses may have been leaked as a result of unauthorised access to Yumir Link, and said the number of affected cases is currently under investigation. The affected data consists of personal and corporate email addresses, and does not include account numbers or PINs, according to the banks.
Resona Bank, Saitama Resona Bank and Kansai Mirai Bank, all under Resona Holdings, announced on the 27th that customers' email addresses may have been leaked externally. Unauthorised access to Yumir Link is cited as the cause, and the number of affected cases and other details remain under investigation.
The email addresses potentially affected are those of individuals and corporations, and the banks said that no information related to financial transactions, such as account numbers or PINs, was included. The 3 banks are urging customers to beware of suspicious emails.
According to the official announcement, the number of affected cases has not been confirmed at this time, and further information is awaited.