Summary
On October 2, 2025, the ransomware group Sinobi publicly claimed responsibility for an attack targeting AT Solution Limited (atsolution.com), a Hong Kong-based company specializing in finance and innovative technology solutions. According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | AT Solution Limited |
| Domain | atsolution.com |
| Country | Hong Kong |
| Attacking Group | Sinobi |
| Date Reported | October 2, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
About AT Solution Limited
AT Solution Limited is a leading company in Hong Kong, known for providing professional, innovative, and interactive solutions in the finance sector. The company excels in utilizing mobile technologies to offer business solutions that give clients a competitive edge. Their expertise extends to open-source and SOA strategy.
About Sinobi Group
The Sinobi group is a notorious ransomware gang known for targeting companies worldwide, often threatening to release sensitive data to the public unless ransoms are paid. Their attacks are sophisticated and highly damaging, emphasizing the need for robust cybersecurity defenses.
Proactive Response to Ransomware Threats
Organizations are urged to proactively monitor potential threats through dark web monitoring. It’s crucial to identify and mitigate risks before they escalate into full-blown attacks. Utilizing tools like the email breach checker at MSP Dark Intel can help companies stay vigilant and protect their data from malicious actors.
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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