Junkosha: ransomware attack
Server encryption and disruption were identified on January 22 and disclosed January 24. March's findings identified entry through network equipment into internal systems and a cloud file-management tool, with possible theft of staff and customer information. No secondary harm was confirmed; account resets and stronger monitoring were implemented.
Disclosed
2025-01-24
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2025-01-22
- Disclosed 2025-01-24
- 2 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Service outage][Data leak]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Major]Ibaraki, KasamaManufacturing
Junkosha Inc.
Sources
- [1][Official]ランサムウェア攻撃によるシステム障害についてJunkosha Inc. · 2025-01-24
- [2][News]潤工社、ランサムウェア感染による情報漏えいの可能性を発表USEN ICT Solutions · 2025-04-01