Advanced persistent threat

nouncandidate·updated May 9, 2026

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An adversary that possesses sophisticated levels of expertise and significant resources which allow it to create opportunities to achieve its objectives using multiple attack vectors (NIST SP800-61) Scope Note: The APT: 1. pursues its objectives repeatedly over an extended period of time 2. adapts to defenders’ efforts to resist it 3. is determined to maintain the level of interaction needed to execute its objectives

MWE

Classifications

per-axis with provenance

Entity Type

Threat95%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

8 surface forms

acronym: APT
alternatephrasing: Advanced Persistent Threats
plural: Advanced persistent threatsAdvanced Persistent Threatses
possessive: Advanced persistent threat'sAdvanced Persistent Threats's
pluralpossessive: Advanced persistent threats'Advanced Persistent Threatses'

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