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SM Entertainment and affiliates DearU and Dream Maker confirmed on Nov. 8 that an external attacker accessed their work systems without authorization and leaked some stored document files, including employees' resident registration numbers, bank account numbers, and contract details. The company posted a notice on its website saying it is working with authorities to determine the exact scope of the incident, and apologized. The leak affected SM Entertainment, DearU (operator of the fan platform bubble), and performance affiliate Dream Maker, according to Dong-A Ilbo and Kyunghyang Shinmun reports.