Summary
On July 15, 2025, the ransomware group Rhysida publicly claimed responsibility for an attack targeting
Cardinal Services (cardinalservices.com), a U.S.-based company specializing in human resources services.
According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | Cardinal Services |
| Domain | cardinalservices.com |
| Country | USA |
| Attacking Group | Rhysida |
| Date Reported | July 15, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
About Cardinal Services
Cardinal Services, established in 1984 in Coos Bay, Oregon, has been a cornerstone in the local HR sector, assisting business owners and job seekers in achieving success. With a strong reputation in human resources, the attack on Cardinal Services has raised significant concerns among clients and partners.
About the Rhysida Group
Rhysida is a notorious ransomware group known for targeting a range of industries across the globe. Their modus operandi typically involves encrypting sensitive data and demanding ransom for its release, often threatening to leak the information if payment is not made.
Proactive Measures Against Ransomware
Organizations must adopt proactive cybersecurity measures to mitigate the risk of ransomware attacks. Darkweb monitoring can be a crucial strategy in identifying potential threats and data leaks. By keeping an eye on darkweb activities, companies can respond quickly to emerging threats. We recommend using tools like the email breach checker available at MSP DarkIntel to monitor your company’s exposure and take preventive actions.
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:
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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