GMO missed cyberattack for 11 weeks; files of customers stolen

GMO Internet Group Inc. failed to detect a cyberattack on a subsidiary’s service for about two and a half months, enabling the intruder to steal files from…

1 sources · 1 articles · updated 2026-11-03 00:00 UTC · general

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1. GMO missed cyberattack for 11 weeks; files of customers stolen

   The Asahi Shimbun · 2026-11-03 00:00 UTC

   GMO Internet Group Inc. failed to detect a cyberattack on a subsidiary’s service for about two and a half months, enabling the intruder to steal files from customers’ computers, the company revealed Nov. 2.

   Summary on nerom.app