Chunjae Textbook security incident history
Hacking, data breaches and other security incidents involving Chunjae Textbook, with related coverage.
Incidents: 1 · Most recent
Chunjae Textbook loses appeal in suit to cancel fine over personal data leak
23KImpact: Personal data of more than 23,000 Milk T users
In 2021, the personal data of more than 23,000 users of Chunjae Textbook's Milk T was leaked. Chunjae Textbook filed a lawsuit to cancel the 900 million won fine imposed on it but lost again on appeal. The court found that the Milk T database could be accessed through Chunjae Education's web server and that Chunjae Textbook had failed to fulfill its duty to restrict access rights.
Related reports: 2 →