Yamaguchi Prefecture security incident history
Hacking, data breaches and other security incidents involving Yamaguchi Prefecture, with related coverage.
Incidents: 1 · Most recent
Data of 42 Yamaguchi health program participants leaked
42Impact: Personal information of 42 participants
Personal information belonging to 42 participants in Yamaguchi Vitality Walk, a health promotion program run by Japan’s Yamaguchi Prefecture in partnership with Sumitomo Life, was leaked. Unauthorized access to a contractor exposed names, dates of birth and other information.
Related reports: 4 · last report →