Transport
Post Office App
Post Office App (run by Japan Post Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-09-29.
About the service
- Website
- https://www.lp.jpapp.pf.japanpost.jp/index.html
- Run by
- Japan Post Co., Ltd.
- Category
- Transport
- For
- People
Incident history
Disclosed 2026-09-29Updated 2026-10-22Tokyo[Contained][Severity: Major][Breached][Major]
Japan Post: unauthorized access to the Post Office App[Intrusion][Data leak][Service outage]Leaked 69Organizations 1
Other incidents of the operator (2)
Disclosed 2026-09-25Updated 2026-10-23Tokyo[Contained][Severity: Major]
Japan Post: unauthorized access to the web service for international mail inquiries[Intrusion][Data leak]Leaked 600Organizations 1Disclosed 2020-02-14Updated 2020-02-18 10:00Tokyo[Resolved][Severity: Moderate]
Japan Post: unauthorized access to one of its mail domains sent about 4,000 unwanted emails[Intrusion]Organizations 1