Raymay Fujii: ransomware encrypted files on some servers, and it suspended servers, its intranet and other systems
Ransomware encrypted files on some servers and it suspended servers and its intranet to respond. The ransom note did not mention a leak site.
Disclosed
2025-08-18
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
Ransomware encrypted files on some of its servers. [3]
It announced the unauthorized access by a third party. It suspended servers, its intranet and other systems to respond. [1]
It issued a second report. It is working with outside experts to investigate the scope and recover. [2] [3]
Impact
Timeline
- Started 2025-08-09
- Disclosed 2025-08-18
- 9 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Service outage]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Major]Kumamoto, Kumamoto, Nishi-kuManufacturing
Raymay Fujii Corporation
Sources
- [1][News]レイメイ藤井に不正アクセス、被害対応のためサーバやイントラネット等を休止ScanNetSecurity · 2025-08-27 08:05
- [2][Official]当社サーバーにおける第三者からの不正アクセスの発生について(第二報)Raymay Fujii Corporation · 2025-09-10
- [3][News]脅迫文にリークサイトに関する記述無し ~ レイメイ藤井へのランサムウェア攻撃ScanNetSecurity · 2025-09-24 08:05