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Organizations involved in this incident2024-06-09KADOKAWA: ransomware attack on Niconico and other group servicesOpen the incident

2 results

CompanyInformation and communicationsTokyo, Chuo[Breached][Critical]
Dwango Co., Ltd.
Incidents 3Latest 2026-10-21Employees 1,273
CompanyInformation and communicationsTokyo, Chiyoda[Breached][Critical]
KADOKAWA Corporation
Incidents 1Latest 2024-06-09Employees 2,471

	Role
Dwango Co., Ltd.	[Breached]	[Critical]	Company	Information and communications	Tokyo, Chuo	1,273	–	3	2026-10-21
KADOKAWA Corporation	[Breached]	[Critical]	Company	Information and communications	Tokyo, Chiyoda	2,471	–	1	2024-06-09