ユニリタ（社内文書管理システム）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- September 29, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- Unknown
- Main impact
- ユニリタ has announced it confirmed its corporate information is included in data that attackers claim to have stolen and published. It says it will identify the leaked files and contact affected individuals individually.
- Information involved
- Auth token
- Cause / key point
- The cause is under investigation.
- Industry
- IT & telecom
- Listing / capital
- Listed company東証スタンダード 3800(ユニリタ)
- Last updated
- October 20, 2026
Stock price reaction to the disclosureユニリタ / 東証スタンダード 3800
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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)
Read the Unauthorized access (method undisclosed) guide and national trends →