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HIGH
Threat Intel
UNC3753: Vishing and Physical Intrusions Fuel U.S. Data Extortion
Mandiant identifies UNC3753 targeting U.S. legal and financial sectors through sophisticated vishing and physical breaches to execute data theft extortion.
Runtime Rebel Intel
4 min read·Jun 8, 2026
TH
CRITICAL
Threat Intel
UNC3753 Targets US Law Firms with Vishing & Physical Intrusions
UNC3753 (Luna Moth) leverages vishing and physical office intrusions to steal sensitive data from US law firms and professional services, leading to swift extortion.
Runtime Rebel Intel
10 min read·Jun 5, 2026