Payments and points
Kuroneko deferred payment service
Kuroneko deferred payment service (run by Yamato Transport Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-09-29.
About the service
- Website
- https://business.kuronekoyamato.co.jp/service/lineup/payment/banner/afterpayment_01.html
- Run by
- Category
- Payments and points
- For
- People and businesses
Incident history
Disclosed 2026-09-29Updated 2026-10-16Tokyo[Contained][Severity: Critical][Breached][Critical]
Yamato Transport: unauthorized access to Kuroneko deferred payment[Intrusion][Data leak]Leaked 5.3MOrganizations 4,100
Other incidents of the operator (1)
Disclosed 2025-10-14Updated 2025-11-14Tokyo[Investigating][Severity: Critical]
Yamato Transport: former employee took business partner data[Insider][Data leak]Leaked 26.8KOrganizations 11,356