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SLeak confirmedNovember 17, 2025 announced

白山石川医療企業団　公立つるぎ病院Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
October 16, 2025
Announced on
November 17, 2025
Severity
SCompromise of deep personal data or usable credentials.
Scale
19 people
Main impact
The names and hygiene-care instructions of 19 patients were published in a monthly magazine, and it was reported that the hospitalization fact and the published content may lead to misuse.
Information involved
Full nameHealth & medical data
Cause / key point
Incorrect publication due to staff's lax awareness of personal information and insufficient in‑hospital verification procedures.
Industry
Healthcare
Listing / capital
Government / public body

Public hospital (medical corporation)

Sources
Last updated
October 20, 2026
Full nameHealth & medical dataHow severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.

Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction

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Attack method classification: Under investigation / not stated(Cause not disclosed)

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