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GS Construction confirmed on October 30 that an external unauthorized access to its apartment community facility reservation system (FMCS) leaked personal information of some residents in its 'Xi' apartment complexes. The hacking occurred around 10:15 p.m. on October 28, and potentially leaked names, phone numbers, addresses, passwords, and RF card numbers used for common entrance access. The company sent notices to residents apologizing and said it is assessing the damage scope. Yonhap reports the breach is part of a series of hacking incidents across industries, including finance and telecommunications. Korean media outlets such as Chosun Ilbo and Kyunghyang Shinmun highlight growing public anxiety over such attacks, with the latter noting the leak may extend to financial sector hacking. Business Korea also reported separate breaches at Jin Air (1,454 members) and SK Planet's Gifticon service around the same time, indicating a broader wave of cyberattacks.