Summary
On October 8, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting
Termotasajero (termotasajero.com), a Colombian power generation and commercialization company.
According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | Termotasajero |
| Domain | termotasajero.com |
| Country | Colombia |
| 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.” |
About the Company and the Threat Actor Group
Termotasajero SA ESP is a leading power generation and commercialization company in Colombia, focusing on delivering high-quality electricity while maintaining environmental harmony. They engage in recycling and reusing initiatives and uphold high standards of transparency and effectiveness in their operations.
The Sinobi group is a notorious ransomware gang known for targeting organizations across various sectors, threatening to release sensitive data unless their demands are met.
Proactive Response to Ransomware Threats
Organizations should prioritize proactive measures to combat ransomware threats, including comprehensive dark web monitoring. This can provide early warnings of potential breaches and help mitigate risks. Utilizing tools like the email breach checker at MSP Dark Intel Domain Breach Scan can help organizations keep an eye on their digital footprint and protect their sensitive information from cyber threats.
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:
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Check if an email was breached:
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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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