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Daishin Securities said Wednesday that personal information of 38,490 customers, including names, e-mail addresses and mobile phone numbers, was leaked from a server linked to non-face-to-face investment discretionary account openings. The brokerage detected abnormal hacker access on Oct. 17, blocked the IPs used in the attack and reported it to regulators, then investigated the breach scope with the Financial Security Agency, according to Yonhap and Chosun Ilbo. The leak is part of a broader wave of cyberattacks on Korea's financial sector, with Bithumb and Mirae Asset Global Investments also reporting breaches, prompting authorities to launch an inspection, KBS World and Korea Times report.