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Korea's financial sector hit by 473,000-record data leak

South Korea's financial regulator reported that over the past month, 37 financial firms suffered 40 cyberattacks, exposing approximately 473,000 personal data records and stealing about 1 billion won ($746,938), according to Yonhap and the Financial Services Commission. The regulator said sensitive financial information that could lead to unauthorized payments has not been confirmed as leaked so far, and it has launched a full inspection of about 580 financial companies' security systems, holding CEOs accountable for breaches. Korean media report growing consumer anxiety over the attacks, which began with a large-scale hack of Shinhan Bank in late September and spread across banking, securities, insurance, and virtual asset sectors.

  1. Over 470,000 pieces of personal data leaked from 37 financial firms: FSC Korea Times · 2026-11-05
  2. Cyberattacks Hit 37 Financial Firms in a Month, Exposing 473,000 Records Business Korea · 2026-11-05
  3. 금융권 해킹 37개사에서 정보유출 47만건…당국, 내부통제 전수점검 동아일보 · 2026-11-05
  4. 37개 금융사 정보유출 47.3만건…10억원 자금 탈취도 연합뉴스 · 2026-11-05
  5. 韩国近月来共37家金融公司逾47万条信息遭泄 韩联社 · 2026-11-05
  6. 韓国金融機関ハッキング 37社から個人情報47万件流出=被害額1億円超 聯合ニュース · 2026-11-05
  7. “나도 이미 털렸겠는데”…파악된 유출 정보 47만건·10억원 규모 매일경제 · 2026-11-05
  8. 금융권 해킹 사고 40건으로 확대...개인정보 47만 건 유출에 10억원 금전 피해도 조선일보 · 2026-11-05
  9. Over 470,000 pieces of personal data leaked from 37 financial firms: FSC Yonhap · 2026-11-05

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