According to CoinMeta, South Korean financial security agencies recently suffered a cyberattack, resulting in the leakage of records of hundreds of employees and documents from several financial companies. This incident occurred less than two weeks after the cryptocurrency exchange Bithumb reported a security vulnerability. The attackers disguised themselves as officials from the Financial Supervision Service (FSS) and exploited vulnerabilities in the authentication system to gain unauthorized access. Preliminary investigations indicate that information from over 40 financial companies was affected, including approximately 300 personal records. After discovering the intrusion, the agency blocked the affected systems on November 9th and reported the incident to the Financial Services Commission and the South Korean Internet Security Agency. Investigators are currently examining how the attackers obtained access and assessing the potential impact of the leaked information.