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Bank of Korea Employee Data Breach Exposes Personal Information

Bank of Korea Employee Data Breach Exposes Personal Information

First seen 28 Sep 2026, 06:32 UTC • •

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ThreatCluster AI
ThreatCluster •September 28, 2026 at 07:36 UTC
  • •186 employees' personal information leaked due to a GitHub hacking incident.
  • •135 hacking attempts reported in the first eight months of 2026, a significant increase.
  • •The Bank of Korea is facing scrutiny for its cybersecurity practices.

The personal information of 186 Bank of Korea employees was leaked due to a hacking incident involving a GitHub system used by a contractor for the bank's online training program. The breach occurred between May 9 and June 8, 2026, and included sensitive data such as names, email addresses, phone numbers, job titles, and encrypted passwords. The Bank of Korea was notified of the breach on June 11 and informed affected employees the next day. In 2026, there have been 135 hacking attempts on the bank, significantly higher than the previous year's total of 30. The majority of these attempts originated from abroad, with Brazil and the United States being the top sources. The central bank is now under scrutiny to improve its cybersecurity measures following this incident.

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Timeline

2026-05-09
Hacking incident begins
Hackers gained access to a GitHub system used by a contractor for the Bank of Korea's online training program.
Asiae.Co.Kr
2026-06-11
Breach notification received
The Bank of Korea was notified of the data breach involving employee information.
Asiae.Co.Kr
2026-06-12
Affected employees informed
The Bank of Korea informed the 186 affected employees about the data breach.
Koreatimes.Co.Kr
2026-09-28
Incident revealed publicly
Details of the data breach and hacking attempts were disclosed to the public and reported by media outlets.
Koreatimes.Co.Kr

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