Other
Selectable Gold Benefits
Selectable Gold Benefits (run by Benefit One Inc. and Credit Saison Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-11-09.
About the service
- Website
- https://faq.saisoncard.co.jp/saison/detail?id=6105&site=OA5LHO14
- Run by
- Category
- Other
- For
- People
Incident history
Disclosed 2026-11-09Updated 2026-11-09Aichi, Hokkaido, Tokyo[Contained][Severity: Critical][Through a supplier][Critical]
Selectable Gold Benefits: subcontractor’s cloud breach exposes identifiers for 198,660 people[Intrusion][Credential abuse][Data leak][Service outage]Leaked 198.7KOrganizations 4
Other incidents of the operator (4)
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 1Disclosed 2026-10-30Updated 2026-11-09Tokyo[Contained][Severity: 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][Service outage]Leaked 27.3MOrganizations 2Disclosed 2026-10-28Updated 2026-11-09Hokkaido, Tokyo[Investigating][Severity: Major]
Forestec: Toku-kai supplier system intrusion[Intrusion][Data leak][Service outage]Leaked 29.5KOrganizations 2Disclosed 2026-09-30Updated 2026-09-30Tokyo[Contained][Severity: Major]
Benefit One: survey downloads expose other companies' staff data[Misconfiguration][Data leak]Leaked 13.5KOrganizations 1