> JapanHacked_Cybersecurity incidents in Japan

Hospital

Nagano Prefectural Federation of Agricultural Cooperatives for Health and Welfare

Nagano Prefectural Federation of Agricultural Cooperatives for Health and Welfare (Nagano, Nagano; Medical care and welfare) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-30.

Profile

Industry/type: Medical care and welfare
Location: Nagano, Nagano
Also known as: Saku Central Hospital

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-10-30Updated 2026-10-30Nagano[Investigating][Severity: Moderate][Breached][Moderate]
Saku Central Hospital: backup drive with medical claims data on 87,765 patients is missing
[Lost device][Data leak]Leaked 87.8KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-30	2026-10-30	Saku Central Hospital: backup drive with medical claims data on 87,765 patients is missing	[Breached]	[Moderate]	[Moderate]	1 Nagano Prefectural Federation of Agricultural Cooperatives for Health and Welfare	Nagano	[Lost device]	[Data leak]	87,765	[Investigating]