UNC4540 is a suspected Chinese threat actor targeting unpatched SonicWall Secure Mobile Access appliances to deploy custom malware that establishes lo...
Actor Overview
Origin Country
CN
Related Threat Reports
PremiumAPT Campaign Analysis - Q4 2025Dec 2025
New Tactics Observed in WildDec 2025
Infrastructure Mapping ReportDec 2025
Stay Updated
Get alerts when new intel on UNC4540 is published.
Actor Details
Primary Name
UNC4540
Data Source
Precursor Intelligence