793,060 records leaked from 17 Gakken Group companies
Gakken confirmed that unauthorized access to a contractor resulted in the leak of 793,060 records from 17 group companies. Gakken disclosed the confirmed extent of the breach in its second announcement.
Key facts
- Affected organization
- Gakken
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- 793,060 records from 17 group companies
- Cause / method
- Unauthorized access to a contractor
- Location
- Japan
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
Timeline
- In its second announcement, Gakken disclosed that unauthorized access to a contractor had resulted in the leak of 793,060 records from 17 group companies.
2 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.