> JapanHacked_Cybersecurity incidents in Japan

Nonprofit

Kubota Health Insurance Society

Kubota Health Insurance Society (Kita, Osaka, Osaka; Medical care and welfare) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-06-05.

Profile

Industry/type: Medical care and welfare
Location: Osaka, Osaka, Kita
Website: https://www.kenpo.gr.jp/kubota/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2024-06-05Updated 2026-10-23Hiroshima, Hyogo, Osaka, Tokyo[Contained][Severity: Critical][Through a supplier][Critical]
Hirokei: ransomware puts clients' medical data at risk
[Ransomware][Misconfiguration][Data leak][Extortion]Leaked 86.9KOrganizations 8

		Incident	Role	Impact level				Methods	Impacts		Status
2024-06-05	2026-10-23	Hirokei: ransomware puts clients' medical data at risk	[Through a supplier]	[Critical]	[Critical]	8 Chugoku Shinkin Health Insurance Society, Hirokei Co., Ltd., Kansai Institute of Information Systems, Kubota Health Insurance Society, Sekisui Health Insurance Society, Daikin Industries Health Insurance Society, Kobe Steel Health Insurance Society, Mitsubishi Heavy Industries Health Insurance Society	Hiroshima, Hyogo, Osaka, Tokyo	[Ransomware][Misconfiguration]	[Data leak][Extortion]	86,936	[Contained]