Company

Tokyo Gas Network Co., Ltd.

Tokyo Gas Network Co., Ltd. (Minato, Tokyo; Electricity, gas, heat and water) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-08-13.

Profile

Industry/type: Electricity, gas, heat and water
Location: Tokyo, Minato
Website: https://www.tokyo-gas.co.jp/network/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-08-13Updated 2026-10-22Tokyo[Investigating][Severity: Moderate][Breached][Moderate]
Tokyo Gas Network: work laptop lost
[Lost device][Data leak]Leaked 20KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-08-13	2026-10-22	Tokyo Gas Network: work laptop lost	[Breached]	[Moderate]	[Moderate]	1 Tokyo Gas Network Co., Ltd.	Tokyo	[Lost device]	[Data leak]	20,000	[Investigating]