Company

Enessance Holdings Inc.

Enessance Holdings Inc. (Minato, Tokyo; Electricity, gas, heat and water) appears in 1 related cybersecurity incident. The latest was disclosed on 2025-10-23.

Profile

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

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2025-10-23Updated 2026-10-22Kanagawa, Tokyo[Contained][Severity: Critical][Breached][Critical]
Enessance: ransomware attack
[Ransomware][Data leak][Service outage][Extortion]Leaked 365KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2025-10-23	2026-10-22	Enessance: ransomware attack	[Breached]	[Critical]	[Critical]	2 Enessance Holdings Inc., Toell Co., Ltd.	Kanagawa, Tokyo	[Ransomware]	[Data leak][Service outage][Extortion]	365,000	[Contained]