ニチレイグループData breach / unauthorized access incident
- Occurred on
- July 13, 2026
- Announced on
- September 18, 2026
- Severity
- SSLarge-scale compromise of sensitive data such as payment or identity-verification records affecting millions.
- Scale
- Unknown
- Main impact
- The July 13 cyberattack disrupted warehouse inbound/outbound operations and shipments of frozen foods, and leakage of information on delivery recipients, client contacts, employees, etc. was confirmed.
- Information involved
- Email addressFull name
- Cause / key point
- The cause is under investigation.
- Industry
- Food & dining
- Listing / capital
- Listed company東証プライム 2871(ニチレイ)
- Last updated
- October 20, 2026
Stock price reaction to the disclosureニチレイ / 東証プライム 2871
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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 →