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JAENES
SPossible leakMarch 26, 2026 announced

ザイナス（ジョイフル従業員・求職者等）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
March 26, 2026
Severity
SCompromise of deep personal data or usable credentials.
Scale
23,585 people
Main impact
A server being prepared for transfer was illegally accessed, potentially exposing information of ジョイフル employees, job applicants, etc.; 23,585 individuals were reported affected.
Information involved
User / member IDCard & payment dataHome addressFull nameDate of birthHealth & medical data
Cause / key point
Cause is under investigation.
Industry
Services & other
Listing / capital
Unlisted
Sources
Last updated
October 20, 2026
User / member IDCard & payment dataHome 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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