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JAENES
SPossible leakFebruary 19, 2026 announced

美濃工業株式会社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 1, 2025
Announced on
February 19, 2026
Severity
SCompromise of deep personal data or usable credentials.
Scale
Unknown
Main impact
They publicly stated that some servers and endpoints were encrypted in a cyberattack and that personal information of employees and others may have been exposed, but specific confirmation of data leakage or the number of affected records has not been disclosed.
Information involved
Email addressHome addressFull nameDate of birthHealth & medical data
Cause / key point
They publicly stated that part of their systems was encrypted as a result of a cyberattack.
Industry
Manufacturing
Listing / capital
Unlisted
Sources
Last updated
October 20, 2026
Email addressHome addressFull nameDate of birthHealth & 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: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)

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