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Organizations involved in this incident2026-09-28Shueisha: unauthorized access to the HAPPY PLUS COMMUNITY blogger systemOpen the incident

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CompanyInformation and communicationsTokyo, Chiyoda[Breached][Major]
Shueisha Inc.
Incidents 1Latest 2026-09-28

	Role
Shueisha Inc.	[Breached]	[Major]	Company	Information and communications	Tokyo, Chiyoda	–	–	1	2026-09-28