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JAENES
SPossible leakOctober 14, 2026 announced

大崎地域広域行政事務組合消防本部(NET119・119RAIDEN)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 14, 2026
Severity
SCompromise of deep personal data or usable credentials.
Scale
45 people
Main impact
Unauthorized access to a contractor may have resulted in the leakage of personal data for 45 people from NET119 and 80 people from 119RAIDEN; for NET119 this includes names, addresses, disability status, blood type, etc.
Information involved
Phone numberHome addressFull nameHealth & medical data
Cause / key point
Cause is under investigation.About Supply chain attacks (via vendors & shared services)
Industry
Government & municipal
Listing / capital
Government / public body

広域行政事務組合 (public organization)

Last updated
October 20, 2026
Phone numberHome addressFull 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: Supply chain attacks (via vendors & shared services)(Compromising the provider instead of the user)

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