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Organizations involved in this incident2024-07-17Tokyo Gas Engineering Solutions: intrusion may have exposed personal data of about 4.16 million peopleOpen the incident

5 results

CompanyElectricity, gas, heat and waterChiba, Ichikawa[Through a supplier][Critical]
Keiyo Gas Co., Ltd.
Incidents 1Latest 2024-07-17Employees 730
CompanyElectricity, gas, heat and waterOkayama, Okayama, Naka[Through a supplier][Critical]
Okayama Gas Co., Ltd.
Incidents 1Latest 2024-07-17
CompanyElectricity, gas, heat and waterTokyo, Minato[Breached][Critical]
Tokyo Gas Engineering Solutions Corporation
Incidents 1Latest 2024-07-17
GovernmentPrefectureKanagawa[Through a supplier][Major]
Kanagawa Prefecture
Incidents 3Latest 2026-10-21
CompanyElectricity, gas, heat and waterTokyo, Minato[Breached][Major]
Tokyo Gas Co., Ltd.
Incidents 1Latest 2024-07-17Employees 3,769

	Role
Keiyo Gas Co., Ltd.	[Through a supplier]	[Critical]	Company	Electricity, gas, heat and water	Chiba, Ichikawa	730	–	1	2024-07-17
Okayama Gas Co., Ltd.	[Through a supplier]	[Critical]	Company	Electricity, gas, heat and water	Okayama, Okayama, Naka	–	–	1	2024-07-17
Tokyo Gas Engineering Solutions Corporation	[Breached]	[Critical]	Company	Electricity, gas, heat and water	Tokyo, Minato	–	–	1	2024-07-17
Kanagawa Prefecture	[Through a supplier]	[Major]	Government	Prefecture	Kanagawa	–	–	3	2026-10-21
Tokyo Gas Co., Ltd.	[Breached]	[Major]	Company	Electricity, gas, heat and water	Tokyo, Minato	3,769	–	1	2024-07-17