Shokusou: ransomware attack
On 2 June, Shokusou, a rice wholesaler in Obihiro, found its servers encrypted by ransomware and cut off and isolated the servers and network. Sales continue, but some work is affected. Whether data leaked is being investigated.
Disclosed
2026-06-04
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2026-06-02
- Disclosed 2026-06-04
- 2 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Service outage]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Hokkaido, ObihiroWholesale and retail trade
Shokusou Inc.
Sources
- [1][Official]ランサムウェア被害の発生についてShokusou · 2026-06-04