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JAENES
APossible leakFebruary 12, 2026 announced

株式会社ガーラ湯沢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
February 12, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
1,518 people
Main impact
They confirmed ransomware damage causing a ticket-issuing system outage and say up to 1,518 individuals' information may have been leaked.
Information involved
Phone numberHome addressFull name
Cause / key point
The company says inadequate router security settings served as the intrusion route.About Ransomware
Industry
Services & other
Listing / capital
UnlistedParent company: ガーラ(東証スタンダード 4777)

ガーラ湯沢 is a subsidiary of ガーラ.

Last updated
October 20, 2026

Stock price reaction to the disclosureガーラ・親会社 / 東証スタンダード 4777

2026.01.23 〜 2026.03.05Loading…

Stock information is reference data based on Yahoo Finance and may be delayed. This site does not solicit or advise investment and does not guarantee the accuracy or completeness of this information. We accept no liability for any investment decision based on it.

Phone numberHome addressFull nameHow severity is assessed →

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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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