> JapanHacked_Cybersecurity incidents in Japan

Company

Nabari Kintetsu Gas Inc.

Nabari Kintetsu Gas Inc. (Nabari, Mie; Electricity, gas, heat and water) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-08-15.

Profile

Industry/type: Electricity, gas, heat and water
Location: Mie, Nabari
Website: https://www.kintetsugas.co.jp/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-08-15Updated 2026-10-23Gunma, Mie, Nagano, Saitama[Investigating][Severity: Critical][Through a supplier][Major]
Ryomo Systems: ransomware attack
[Ransomware][Credential abuse][Data leak]Organizations 5

		Incident	Role	Impact level				Methods	Impacts		Status
2026-08-15	2026-10-23	Ryomo Systems: ransomware attack	[Through a supplier]	[Major]	[Critical]	5 Isesaki City, Ryomo Systems Co., Ltd., Daito Gas Inc., Nabari Kintetsu Gas Inc., Nagano Toshi Gas Inc.	Gunma, Mie, Nagano, Saitama	[Ransomware][Credential abuse]	[Data leak]	Unknown	[Investigating]