Shopping
System Five Online Shop
System Five Online Shop (run by System5 Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2021-01-26.
About the service
- Website
- https://www.system5.jp/
- Run by
- System5 Co., Ltd.
- Category
- Shopping
- For
- People and businesses
Incident history
Disclosed 2021-01-26Updated 2021-01-28 08:00Aichi[Resolved][Severity: Critical][Breached][Critical]
System Five: the payment processing program of its online shop was tampered with, and card data of up to 3,812 customers may have leaked[Web app exploit][Data leak]Leaked 3.8KOrganizations 1
Other incidents of the operator (1)
Disclosed 2026-10-22Updated 2026-10-27 17:02Aichi[Investigating][Severity: Major]
System5: unauthorized access to a system linked to the online shop[Web app exploit][Data leak][Service outage]Leaked 15.7KOrganizations 1