Japan's SMBC Consumer Finance reports data breach affecting up to 320,000 customers after unauthorized access to card loan guarantee system - BigGo Finance

The breach occurred when attackers gained unauthorized access to the company's card loan guarantee system, potentially exposing sensitive personal and financial information of up to 320,000 customers.

SMBC Consumer Finance, a major Japanese financial services provider, discovered the security incident and is now working to contain the breach and determine the full extent of the data compromise.

The company has not disclosed how the attackers gained access or what specific information was compromised, but has assured customers that they are implementing enhanced security measures to prevent future incidents.