False Negative

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

1. An instance in which a security tool intended to detect a particular threat fails to do so. 2. Incorrectly classifying malicious activity as benign.

MWE

Classifications

per-axis with provenance

Entity Type

Metric82%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

4 surface forms

synonym: Type II error (in statistics)
plural: False Negatives
possessive: False Negative's
pluralpossessive: False Negatives'

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