Tsuda University apologizes over personal information leak; former employee arrested in a separate case posted on an "anonymous message board," with a system permission configuration error as well

Tsuda University apologized after a former employee, who was arrested, was found to have posted students' personal information on an anonymous message board.

The university also said a permissions error in its academic system may have exposed data on up to 22,444 former students.

The case highlights both insider misconduct and weak access controls, raising fresh concerns about personal data protection.