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Mirae Asset Securities confirmed that hackers breached its systems, leaking personal information of some 39,000 customers and employees, the firm said Saturday. Yonhap reports that about 3,800 customers' account numbers and the personal data of 35,255 employees, including retirees and outsourced workers, were exposed after external attacks on its mobile-web phone authentication login service and the 'mi-global' groupware system on Nov. 4-5. The Korea Times notes this is the latest in a wave of cyberattacks on South Korea's financial sector; the Financial Services Commission said over 470,000 personal data records had been leaked from 37 financial firms in the past month, with funds stolen estimated at 1 billion won ($745,000).