UNC3753 Attacking US Law Firms Using Vishing and RMM Tools to Exfiltrate Data

A sophisticated cybercriminal group known as UNC3753 has been running an aggressive campaign against US law firms since early 2026, using phone calls, screen-sharing tricks, and remote monitoring software to break into corporate systems and steal sensitive files. The group is also tracked as Luna Moth, Chatty Spider, and Silent Ransom Group, and has been […]

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