東京鋪装工業株式会社Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- May 12, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- Unknown
- Main impact
- They have disclosed a ransomware incident and say there is a risk of data leakage, but the number of affected records is not stated in the public materials.
- Information involved
- Email addressCard & payment dataHome addressFull nameDate of birth
- Cause / key point
- The cause is under investigation.About Ransomware
- Industry
- Manufacturing
- Listing / capital
- Unlisted
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
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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: Ransomware(Encrypting data and demanding a ransom)
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