Summary
On October 8, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting St Catherine of Siena, a Catholic community in the USA. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | St Catherine of Siena |
| Domain | N/A |
| Country | USA |
| Attacking Group | Sinobi |
| Date Reported | October 8, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a representative contacts us via the channels provided.” |
About the Organization
St Catherine of Siena is a Catholic community dedicated to living out Christ’s great commandments to love God and love our neighbors as ourselves.
About Sinobi
The Sinobi ransomware group is known for its aggressive tactics in targeting organizations across various sectors, demanding ransoms in exchange for not leaking sensitive data.
Proactive Response to Threats
It is crucial for organizations to proactively monitor dark web activities to identify potential threats early. Utilizing tools such as a domain breach scan can help keep an eye on compromised data. Visit MSP Dark Intel’s domain breach scan to stay informed about your organization’s data security status.
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
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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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