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JAENES
SPossible leakOctober 16, 2026 announced

市立岸和田市民病院（患者書類）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
Unconfirmed
Announced on
October 16, 2026
Severity
SCompromise of deep personal data or usable credentials.
Scale
1 people
Main impact
市立岸和田市民病院 lost medical-related documents, including the admission questionnaire for 1 patient; they are being searched for, and the actual date/time of loss, cause, and any external disclosure have not been confirmed.
Information involved
Health & medical data
Cause / key point
Cause is under investigation.
Industry
Government & municipal
Listing / capital
Government / public body
Sources
Last updated
October 20, 2026
Health & 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: Loss & theft(Physical loss of devices and media)

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