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Organizations involved in this incident2026-03-06Seed Planning: ransomware attackOpen the incident

4 results

GovernmentElectricity, gas, heat and waterTokyo, Shinjuku[Through a supplier][Moderate]
Bureau of Waterworks Tokyo Metropolitan Government
Incidents 2Latest 2026-10-23
GovernmentPrefectureTokyo[Through a supplier][Moderate]
Tokyo Metropolitan Government
Incidents 3Latest 2026-10-21
GovernmentMunicipalityKanagawa, Kawasaki[Through a supplier][Moderate]
Kawasaki City
Incidents 2Latest 2026-10-21
CompanyScientific research, professional and technical servicesTokyo, Bunkyo[Breached][Moderate]
Seed Planning, Inc.
Incidents 1Latest 2026-03-06

	Role
Bureau of Waterworks Tokyo Metropolitan Government	[Through a supplier]	[Moderate]	Government	Electricity, gas, heat and water	Tokyo, Shinjuku	–	–	2	2026-10-23
Tokyo Metropolitan Government	[Through a supplier]	[Moderate]	Government	Prefecture	Tokyo	–	–	3	2026-10-21
Kawasaki City	[Through a supplier]	[Moderate]	Government	Municipality	Kanagawa, Kawasaki	–	–	2	2026-10-21
Seed Planning, Inc.	[Breached]	[Moderate]	Company	Scientific research, professional and technical services	Tokyo, Bunkyo	–	–	1	2026-03-06