Summary
On October 8, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting Public Relations Society of America (prsa.org), a U.S.-based non-profit trade association serving the communications community. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | Public Relations Society of America |
| Domain | prsa.org |
| Country | USA |
| Attacking Group | Sinobi |
| Date Reported | October 8, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
The Public Relations Society of America (PRSA) was founded in 1947 and serves as a nationwide non-profit trade association for communications professionals. Headquartered in New York City, it is a pivotal organization in the communications industry. The Sinobi group, known for its aggressive ransomware tactics, poses a significant threat to organizations worldwide. This incident underscores the importance of cybersecurity measures and proactive monitoring.
In response to such threats, organizations are encouraged to utilize dark web monitoring tools to stay ahead of potential data breaches. Dark web monitoring is essential for identifying compromised credentials and sensitive information before they can be exploited. Additionally, organizations can benefit from using tools like the Domain Breach Scan to keep a vigilant eye on their data security landscape.
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?
- Check domain-wide breach exposure:
mspdarkintel.com/domain-breach-scan - Check if an email was breached:
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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