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Daishin Securities announced on Wednesday that personal information of 38,490 customers was leaked, including names, email addresses, and mobile phone numbers. The breach was detected on October 17 via abnormal access to a server linked to non-face-to-face investment discretionary account openings; the company blocked the IPs used and reported the incident to regulators, with a joint investigation by the Financial Security Institute underway. Yonhap and the Korea Times report that Mirae Asset Global Investments and crypto exchange Bithumb also suffered data breaches, prompting authorities to launch an inspection of the financial sector. Korean media coverage focuses on the scale and sensitivity of the leaked data, with Chosun Ilbo noting the leak involved personal and credit information, and KBS World highlighting the broader wave of cyberattacks hitting financial firms.