Personal data leak and ransom demand at well-known Daechi-dong maths academy
Parents claimed that personal information had been leaked from a well-known maths academy in Daechi-dong, and that addresses of users who had only taken a level test were also leaked. The leak was reported to have occurred at an academy with about 50 branches, and the hacker also demanded money.
Key facts
- Affected organisation
- Being confirmed
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Personal information and addresses of academy users
- Cause / method
- Not confirmed
- Location
- South Korea
If your data was exposed
Exposed dataAddress
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
- If you’ve suffered harm, report it. Call 118 (no area code) for privacy violations, contact the police for financial losses, and apply for dispute mediation to seek compensation.Personal Information Infringement Report Centre ↗Korean National Police Agency cybercrime report ↗Personal Information Dispute Mediation Committee ↗
Timeline
- Claims that a well-known Daechi-dong academy had leaked personal information, including the addresses of level test takers, were reported.
- The personal data leak at an academy with about 50 branches was reported.
- It was reported that a hacker demanded money in the personal data leak at the well-known maths academy.
4 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.