Chaos Group Strikes EBA Engineering with Ransomware

Ransomware

Summary

On October 7, 2025, the ransomware group Chaos publicly claimed responsibility for an attack targeting EBA Engineering (ebaengineering.com), a U.S.-based engineering firm. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.


Incident Report

FieldDetails
TargetEBA Engineering
Domainebaengineering.com
CountryUSA
Attacking GroupChaos
Date ReportedOctober 7, 2025
Threat Actor Statement“The full leak will be published soon, unless a company representative contacts us via the channels provided.”

About EBA Engineering

EBA Engineering is a multidisciplinary engineering firm focused on providing exceptional, client-centered experiences with a commitment to delivering results. They offer a wide range of services including construction management, civil site engineering, geotechnical engineering, and asset management.

Threat Actor Background: Chaos Group

The Chaos group is known for its aggressive ransomware attacks, targeting various sectors and demanding significant ransoms for data decryption or to prevent data leaks.

Proactive Response to Ransomware Threats

Organizations are encouraged to regularly monitor the dark web for potential threats and leaked information. Utilizing tools like email breach checkers can help companies stay informed about potential compromises. Visit MSP DarkIntel’s Domain Breach Scan to 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.

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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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