Tag
#UNC3753
2 stories taggedUNC3753.
Threat Intelligence
UNC3753 Hit U.S. Professional Services Firms With Vishing and Walk-In Intrusions
Dozens of legal, financial, and consulting firms were hit between January and May 2026 in a data-theft extortion run that blended phone-based social engineering with physical site visits.
3 min read
Threat Intelligence
FBI Flags Silent Ransom Group's Physical Intrusion Tactic Against U.S. Law Firms
The threat actor known as Silent Ransom Group has added walk-in impersonation to its toolkit, sending actors posing as IT support into law firm offices to insert storage devices into employee computers.
3 min read