Nation-State
Advanced Persistent Threat (APT) — Long-Term, Coordinated Cyber Operations
An Advanced Persistent Threat (APT) refers to a highly capable and well-resourced threat actor that conducts prolonged, targeted cyber operations. This SECMONS glossary entry explains what defines an APT, how APT campaigns operate, and how defenders should assess APT-level risk.
Threat Actor — Individuals or Groups Responsible for Cyber Operations
A Threat Actor is an individual, group, or organization that conducts malicious cyber activity. This SECMONS glossary entry explains threat actor types, motivations, capabilities, and how they are classified in cybersecurity intelligence reporting.