Gakken security incident history
Hacking, data breaches and other security incidents involving Gakken, with related coverage.
Incidents: 1 · Most recent
793,060 records leaked from 17 Gakken Group companies
793.1kImpact: 793,060 records from 17 group companies
Gakken confirmed that unauthorised access to a contractor led to the leak of 793,060 records from 17 group companies. Gakken revealed the confirmed scale of the breach in its second announcement.
Related reports: 2 · last report →