News • Insights • Analysis
From January through May 2026, Mandiant identified a financially motivated data theft extortion campaign executed by the threat cluster UNC3753 (also tracked as “Luna Moth,” “Chatty Spider,” and “Silent Ransom Group”) targeting dozens of organizations across professional, legal, and financial Read More …
The cyber threat actor Silent Ransom Group (SRG), also known as Luna Moth, Chatty Spider, and UNC3753, is targeting law firms using information technology (IT) themed social engineering calls, and callback phishing emails, to gain remote access to systems or Read More …
The Federal Bureau of Investigation (FBI) is releasing this Private Industry Notification to highlight ransomware initial access trends and encourage organizations to implement the recommendations in the “Mitigations” section to reduce the likelihood and impact of ransomware incidents. Threat As Read More …
Unit 42 investigated several incidents related to the Luna Moth/Silent Ransom Group callback phishing extortion campaign targeting businesses in multiple sectors including legal and retail. This campaign leverages extortion without encryption, has cost victims hundreds of thousands of dollars and Read More …
