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FSI Reports Data Leak After Hacking Attack

South Korea's state-run Financial Security Institute (FSI) reported a data leak following a hacking attack targeting its security assessment system, officials said Tuesday. Yonhap reports the FSI, which oversees financial information protection, had some information related to the security status of financial firms leaked. The Korea Times also reported the incident on Nov. 10, noting the FSI is the state-run body responsible for financial security oversight. The leak follows a broader wave of cyberattacks on the financial sector: the Financial Supervisory Service said over 470,000 personal data records were leaked from 37 financial firms over the past month, with funds stolen estimated at 1 billion won ($745,000). Mirae Asset Securities also confirmed a breach affecting about 39,000 customers and employees, prompting an on-site inspection by the Financial Supervisory Service. Korean media, including the Korea Economic Daily, framed the FSI breach as a symbolic failure, with headlines calling the institute the 'financial gatekeeper' that was also breached.

  1. Financial Security Institute reports data leak following hacking attack Korea Times · 2026-11-10
  2. (LEAD) Financial Security Institute reports data leak following hacking attack Yonhap · 2026-11-10
  3. Over 470,000 pieces of personal data leaked from 37 financial firms: FSC Korea Times · 2026-11-05
  4. Mirae Asset Securities Hit by Hackers Business Korea · 2026-11-09
  5. '금융 문지기'마저 뚫렸다…금융보안원 개인정보 유출 한국경제 · 2026-11-10

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