NightSpire Claims Ransomware Attack on CERUMO Co., Ltd.
Summary
A post monitored by ransomware.live attributes a ransomware attack on Japan-based CERUMO Co., Ltd. to NightSpire and says data is inaccessible. The post says the group’s claim could not be confirmed.
Key points
- The post names CERUMO Co., Ltd. in Japan as the claimed victim and NightSpire as the actor.
- It attributes the ransomware claim to NightSpire and says the information is unconfirmed.
- The post says CERUMO’s data is currently inaccessible; this is not independently confirmed.
- The record states it is monitored by ransomware.live.
Article Details
- Victim
- CERUMO Co., Ltd
- Victim Domain
- Unknown
- Attack Date
- 2026-03-31
- Claim Date
- 2026-02-05
- Encryption Status
- Unconfirmed; the source reports that data is currently inaccessible but does not confirm encryption.
- Encrypted Size
- Unknown
- Exfiltration Status
- Unknown
- Exfiltrated Data
- Unknown
- Exfiltrated Size
- Unknown
- Ransom Demand
- Unknown
- Leak Status
- Unknown; no leak or publication status is reported.