Sinobi Targets Lugand Aciers in Devastating Ransomware Attack

Ransomware

Summary

On October 2, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting Lugand Aciers, a France-based company specializing in manufacturing. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.


Incident Report

FieldDetails
TargetLugand Aciers
Domain
CountryFrance
Attacking GroupSinobi
Date ReportedOctober 2, 2025
Threat Actor Statement“The full leak will be published soon, unless a company representative contacts us via the channels provided.”

About Lugand Aciers

Lugand Aciers, based in Oyonnax, France, is a prominent player in the manufacturing industry, operating in five countries with four production sites. The company is committed to advancing development by closely engaging with European players in the plastics and mechanical engineering sectors.

About Sinobi Group

The Sinobi ransomware group is known for targeting organizations across various sectors, employing sophisticated techniques to encrypt data and demand ransom payments. Their attacks often lead to significant operational disruptions and data breaches.

Proactive Response and Darkweb Monitoring

To mitigate the risks associated with ransomware attacks, organizations should adopt proactive measures, including dark web monitoring. Regularly scanning for compromised data and credentials can provide early warnings of potential breaches. Utilize tools like the Domain Breach Scan to keep an eye on your company’s exposure and take necessary precautions.

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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