Thegentlemen Claim Ransomware Attack on Japan’s Nostrum Corporation
Summary
Thegentlemen claim they compromised Japan’s Nostrum Corporation, encrypted systems and threatened to leak data. The monitoring post says the claim is unconfirmed and is attributed to ransomware.live.
Key points
- Thegentlemen claim Nostrum Corporation in Japan was compromised in a ransomware operation.
- The group claims systems were encrypted and threatens to leak data.
- The post attributes the claim to the ransomware group and says it is unconfirmed; monitoring attribution is to ransomware[.]live.
- The article identifies Nostrum as a Japanese technology company.
Article Details
- Victim
- Nostrum Corporation
- Victim Domain
- nostrum.co.jp
- Claim Date
- 2026-04-27
- Encryption Status
- Claimed by thegentlemen; not independently confirmed.
- Exfiltration Status
- Not confirmed; the source reports a threat to leak data, not confirmed exfiltration.
- Leak Status
- Leak threatened; no publication is reported.