株式会社セブン‐イレブン・ジャパン（デリバリーサービス「7NOW」）Data breach / unauthorized access incident
- Occurred on
- November 1, 2026
- Announced on
- November 3, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 164,180 records
- Main impact
- Unauthorized access to "ピックゴー", operated by CBcloud for delivery operations, was confirmed to have resulted in a third party obtaining customer information including the names (kana) of 164,180 orderers who used "7NOW" (of which name and address: 4,762 cases; name, address, telephone number, and postal code: 209 cases).
- Information involved
- Full nameHome addressPhone number
- Cause / key point
- Unauthorized access by a third party (information obtained via external unauthorized access).
- Industry
- Retail & e-commerce
- Last updated
- November 10, 2026
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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 →