Summary
On July 7, 2025, the ransomware group Cloak announced they had launched a cyber attack against
Nos********om.br, a Brazilian entity. The group has threatened to release sensitive data unless the victim engages in negotiations.
Incident Report
| Field | Details |
|---|---|
| Target | Nos********om.br |
| Domain | Unavailable |
| Country | Brazil |
| Attacking Group | Cloak |
| Date Reported | July 7, 2025 |
| Threat Actor Statement | “Sensitive data will be made public unless a representative contacts us for negotiations.” |
Recommendations
- Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
- Conduct a full compromise assessment and incident response drill internally.
- Verify backups and ensure they are offline and ransomware-resistant.
- Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
- Engage with cyber forensics and legal counsel before initiating contact with threat actors.
Check Your Exposure
Wondering if your organization or employees are impacted by recent breach activity?
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Check domain-wide breach exposure:
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mspdarkintel.com/email-breach-scan
Disclaimer
The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.
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