Banking and investing
MUJI Card
MUJI Card (run by Credit Saison Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-10-30.
About the service
- Website
- https://www.saisoncard.co.jp/creditcard/lineup/048/
- Run by
- Category
- Banking and investing
- For
- People
Incident history
Disclosed 2026-10-30Updated 2026-11-04Tokyo[Contained][Severity: Critical][Through a supplier][Critical]
Ryohin Keikaku: MUJI app/store breach risks up to 27.26 million records and about 1.09 million full card numbers[Unknown][Data leak]Leaked 27.3MOrganizations 2
Other incidents of the operator (1)
Disclosed 2026-10-31Updated 2026-10-31Tokyo[Investigating][Severity: Critical]
Credit Saison: Saison Smart Real Estate Investment contractor platform intrusion[Web app exploit][Data leak][Service outage]Leaked 1.9KOrganizations 1