ニッタイ工業(エヌ・トレーディング)Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- March 16, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- 3,887 accounts
- Main impact
- Unauthorized access to an online shopping site may have exposed names, addresses, dates of birth, purchase histories, etc., of 3,887 members, and the site was closed.
- Information involved
- Email addressPasswordPhone numberHome addressFull nameDate of birth
- Cause / key point
- Cause is under investigation.
- Industry
- Manufacturing
- Listing / capital
- Unlisted
- Sources
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
Written & reviewed

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 →