ジグザグ（WorldShopping）Data breach / unauthorized access incident
- Occurred on
- October 15, 2026
- Announced on
- October 19, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 301 people
- Main impact
- ジグザグ has confirmed that unauthorized access to WorldShopping led to the exposure of information of 301 overseas customers. Card information and passwords are reported not to be included.
- Information involved
- Email addressPhone numberHome addressFull name
- Cause / key point
- Attributed to unauthorized access to WorldShopping.
- Industry
- Retail & e-commerce
- Listing / capital
- Listed company東証グロース 340A(ジグザグ)
- Last updated
- October 20, 2026
Stock price reaction to the disclosureジグザグ / 東証グロース 340A
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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 →