Summary
On October 1, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting
Watsonville Community Hospital, a U.S.-based healthcare facility. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | Watsonville Community Hospital |
| Domain | |
| Country | USA |
| Attacking Group | Sinobi |
| Date Reported | October 1, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
About Watsonville Community Hospital
Founded in 1895, Watsonville Community Hospital is a 106-bed, acute care facility accredited by The Joint Commission. The hospital offers a comprehensive portfolio of medical and surgical services, including a full-service Wound Treatment Center. The physicians and staff strive to exceed patient expectations while delivering compassionate, quality care.
About Sinobi
Sinobi is a notorious ransomware group known for targeting healthcare facilities. Their tactics often involve encrypting sensitive data and demanding ransom payments to prevent data leaks.
Proactive Measures
To protect your organization from similar threats, consider implementing robust cybersecurity measures, including regular darkweb monitoring. This proactive approach can help identify potential threats early. Visit MSP Darkintel to use their domain breach scan tool and keep an eye on your company’s data security.
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.
Table of Contents
