> JapanHacked_Cybersecurity incidents in Japan

Company

Toell Co., Ltd.

Toell Co., Ltd. (Kohoku, Yokohama, Kanagawa; 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: Kanagawa, Yokohama, Kohoku
Website: https://www.toell.co.jp/

Public figures

Employees245Non-consolidated2026-04-30
METI: Gビズインフォ
Revenue¥27.1BNon-consolidated2026-04-30
METI: Gビズインフォ
Capital¥950.3MNon-consolidated2026-04-30
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	245	Non-consolidated	2026-04-30	METI: Gビズインフォ
Revenue	¥27.1B	Non-consolidated	2026-04-30	METI: Gビズインフォ
Capital	¥950.3M	Non-consolidated	2026-04-30	METI: Gビズインフォ

Incident history

Disclosed 2025-10-23Updated 2026-10-22Kanagawa, Tokyo[Contained][Severity: Critical][Through a supplier][Major]
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	[Through a supplier]	[Major]	[Critical]	2 Enessance Holdings Inc., Toell Co., Ltd.	Kanagawa, Tokyo	[Ransomware]	[Data leak][Service outage][Extortion]	365,000	[Contained]