Seoul Volunteer Center security incident history
Hacking, data breaches and other security incidents involving Seoul Volunteer Center, with related coverage.
Seoul Volunteer Center’s V-Class breach exposes data of all 29,553 members
29.6KImpact: Personal information of all 29,553 members
In September 2026, personal information belonging to all 29,553 members of V-Class, the Seoul Volunteer Center’s online education platform, was leaked. The attacker exploited a vulnerability in the service provider’s system to install a web shell and steal database access privileges, and also sent spam text messages using the operator’s sender number. The operator learned of the incident through a notification from its text messaging service provider about 67 hours after the initial intrusion. The Seoul Metropolitan Government and the Seoul Volunteer Center activated a joint response framework and strengthened personal information security measures.
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