INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Korea Insurance Company Employee Accused of Selling Personal Information

| 2026-10-16 09:15 CRITICAL LOW DATA BREACH
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Executive Summary
AI-generated
A personal data leak incident occurred at the National Health Insurance Corporation (Geonbogongdan) on 2026-10-16, where a former employee was accused of selling hundreds of millions of dollars' worth of health insurance policyholders' information to the outside without informing victims for over six months. The employee allegedly leaked personal data for over two years and received money in exchange. The corporation fired the employee last July but failed to inform victims within 72 hours, as required by law. This incident is not the first of its kind, with similar incidents reported last year, totaling seven cases.
Technical Mitigations AI-generated
• Reset credentials and API keys that may have been exposed, and review access logs for the affected accounts or integrations.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
Global Scope healthhealth
Incident Timeline
‎2025/10/16
A former employee of the Korea Insurance Company sold personal information worth hundreds of millions of dollars, targeting an unspecified individual.
general_metric 7 similar incidents
Last year, there were 7 similar incidents.
general_metric 1,180,000 won
In fact, last year, the average basic salary of National Health Insurance Corporation employees decreased by 1,180,000 won (2.4%) compared to the previous year.
general_metric 2.4 %
In fact, last year, the average basic salary of National Health Insurance Corporation employees decreased by 1,180,000 won (2.4%) compared to the previous year.
‎2026/10/16
A former employee of the Korea Insurance Company (Geonbogongdan) sold personal information worth hundreds of millions of dollars, which remained undisclosed to the victim for six months.
‎2026/10/16
A former employee of the Korea Insurance Company (Geonbogongdan) sold personal information worth hundreds of millions of dollars to an unknown entity, which was leaked for six months before being discovered.
organisation The National Health Insurance Corporation
The National Health Insurance Corporation (Geonbogongdan) has experienced a personal data leak incident, which is not the first of its kind, according to Kim, a lawmaker.
The Director-General of the National Health Insurance Corporation, Jeong Jae-wook, replied that he knew the amount of money received by the employee in exchange for leaking personal information, but did not specify the amount.
organisation the Korea Insurance Company (Geonbogongdan
A former employee of the Korea Insurance Company (Geonbogongdan) has been accused of selling personal information worth hundreds of millions of dollars.
organisation National Health Insurance Corporation
A National Health Insurance Corporation employee has been fired for selling the personal information of health insurance policyholders to the outside, but the victims have not yet been informed of the fact that their information was leaked.
organisation the People Power Party
On 16th, Kim Goo-ung, a member of the People Power Party, revealed this in the National Assembly's Health and Welfare Committee's National Assembly Hearing on 16th.
organisation National Assembly Hearing
On 16th, Kim Goo-ung, a member of the People Power Party, revealed this in the National Assembly's Health and Welfare Committee's National Assembly Hearing on 16th.
organisation the National Health Insurance Corporation's
In response, the National Health Insurance Corporation's CEO, Kang, Chun-hee, stated, "We are planning to implement various technical measures to manage this, but there is a clear limit to monitoring and management, especially when employees take time off during working hours."
Intelligence Sources
Chosun National 2026-10-16