insider threat
nounverified·updated Aug 30, 2026
The threat that an insider will use their authorized access, wittingly or unwittingly, to do harm to the security of the United States. This threat can include damage to the United States through espionage, terrorism, unauthorized disclosure, or through the loss or degradation of departmental resources or capabilities.
MWENIST SP 800-172r3
Senses
NIST SP 800-171r3glossary
The threat that an insider will use her/his authorized access, wittingly or unwittingly, to do harm to the security of the United States. This threat can include damage to the United States through espionage, terrorism, unauthorized disclosure, or through the loss or degradation of departmental resources or capabilities.
Classifications
Entity Type
Threat95%rule-basedr:entity.threat.actor.v1
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Sensitivity
Regulated85%llm-generatedllm:claude-haiku-4-5
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Information Class
Cui70%llm-generatedllm:claude-haiku-4-5
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Variants
No variants recorded
This term has no surface-form variants in the lexicon yet.