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Mirae Asset Breach Exposes Customer, Employee Data

Mirae Asset Securities confirmed Saturday that it suffered cyberattacks resulting in the leakage of account numbers for some 3,800 customers and personal information of over 35,000 current and former employees and contractors, Yonhap reports. The breach occurred through its mobile web phone authentication login service and groupware on Nov. 4 and 5, according to Maeil Business Newspaper. The incident is part of a growing wave of cyberattacks targeting South Korea's financial sector, with Hanyang Securities, Daishin Securities, Bithumb, and Mirae Asset Global Investments also reporting breaches in recent weeks, KBS World reports. Korean media are covering the breach as breaking news, with outlets like the Korea Economic Daily and Yonhap highlighting the scale of the leak and the broader pattern of financial-sector hacks.

  1. Mirae Asset says data breaches exposed customer, employee information Korea Times · 2026-11-07
  2. Mirae Asset says data breaches exposed customer, employee information Yonhap · 2026-11-06
  3. [속보] 미래에셋증권도 해킹 당해…“고객·임직원 정보 일부 유출” 매일경제 · 2026-11-06
  4. Mirae Asset Reports Data Breach Affecting Customers, Employees KBS World · 2026-11-07
  5. Hanyang Securities Data Breach Exposes Customer Account and ID Numbers Business Korea · 2026-11-03
  6. Bithumb, Mirae Asset Global Investments, Daishin Securities Report Data Breaches KBS World · 2026-10-28

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