(APT) advanced persistent threat definition

Definition of advanced persistent threat : noun

  1. A cyberattack characterized by stealth and long duration, and also a threat actor that carries out such attacks. Advanced persistent threats (usually refered to by the acronym "APT") typically interact with human controllers and may involve a range of related exploitation tools and techniques. APTs are normally although not invariably associated with nation-state intelligence and security services.
"advanced persistent threat" on the Word Notes podcast.