Japan's USMH warns of possible data leak affecting 64,003 shopping app accounts
Unauthorised access to the Scan＆Go ignica shopping app system of Japan's United Super Markets Holdings raised the possibility that names and email addresses associated with 64,003 accounts had been leaked. The compromised system contained a file holding this information, and the company said on 12 November 2026 that although no actual external exfiltration had been confirmed, it could not rule out the possibility and was investigating.
Key facts
- Affected organisation
- United Super Markets Holdings
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Possible leak of names and email addresses associated with 64,003 accounts
- Cause / method
- Unauthorised access to the Scan＆Go ignica system
- Location
- Japan
If your data was exposed
Exposed dataNameEmail
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- The company disclosed a possible personal data leak affecting 64,003 accounts and said it was investigating whether the data had been exfiltrated.
4 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.