Cabinet Office Okinawa General Bureau: its dedicated FileZen server was breached and personal data it held may have leaked
The dedicated server for the FileZen file-transfer product at the Cabinet Office Okinawa General Bureau was breached; personal data it held may have leaked.
Disclosed
2026-04-28
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
It announced that unauthorized access to its dedicated FileZen server may have leaked personal data it held. [1]
Timeline
- Disclosed 2026-04-28
- 1 days
Attack or cause
- Method
- [Intrusion]
- Impact
- [Data leak]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Tokyo, ChiyodaNational government
Cabinet OfficeThe Okinawa General Bureau's dedicated FileZen server was accessed without authorization.
Sources
- [1][News]FileZen 専用サーバへの不正アクセス、内閣府沖縄総合事務局が保有の個人情報漏えいの可能性ScanNetSecurity · 2026-05-01 08:05