The Silent Ransom Group is targeting U.S. law firms and professional services organizations with invoice-themed phishing, impersonation of IT staff, and remote support abuse to steal sensitive data within hours. Mandiant and the FBI say the gang, also tracked as UNC3753, Luna Moth, and Chatty Spider, uses aggressive extortion tactics and fast-moving infrastructure to pressure victims into paying. #SilentRansomGroup #UNC3753 #LunaMoth #ChattySpider #Mandiant #FBI

Die Google Threat Intelligence Group warnt vor der Gruppe UNC3753. Die Angreifer geben sich vor Ort als IT-Techniker aus, um Daten per USB-Stick zu stehlen.

Mandiant reports that UNC3753, also known as Luna Moth, Chatty Spider, and Silent Ransom Group, carried out a fast-moving data theft extortion campaign against U.S. professional, legal, and financial services organizations. The group used vishing, IT helpdesk impersonation, RMM tools, and even possible physical office intrusions to steal sensitive data and pressure victims through LEAKEDDATA-based extortion. #UNC3753 #LunaMoth #ChattySpider #SilentRansomGroup #LEAKEDDATA

Mandiant reported that UNC3753, also known as Luna Moth, Chatty Spider, and Silent Ransom Group, ran a fast-moving data theft extortion campaign against U.S. professional, legal, and financial services organizations by using vishing, screen-sharing, RMM tools, and sometimes physical office access. The group stole sensitive data such as legal agreements, PII, and financial records, then used extortion emails and the LEAKEDDATA site to pressure victims into paying. #UNC3753 #LunaMoth #ChattySpider #SilentRansomGroup #LEAKEDDATA

The FBI warned that the Silent Ransom Group (SRG) is targeting U.S. law firms with in-person data theft by posing as IT support to gain access to victim computers. The gang, also known as Luna Moth, Chatty Spider, and UNC3753, uses stolen data for extortion and has a history of targeting legal and financial organizations. #SilentRansomGroup #SRG #LunaMoth #ChattySpider #UNC3753