False Negative
nounid
4889·updated Aug 28, 2026verified
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
Attested in
No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.
Classifications
Entity Type
Metric82%llm-generatedllm:claude-haiku-4-5
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- Type II error (in statistics)
- plural
- False Negatives
- possessive
- False Negative's
- pluralpossessive
- False Negatives'
Framework definitions
- §1
- 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.
- §1
- an outcome where the model incorrectly predicts the negative class.
- §1
- An example in which the predictive model mistakenly classifies an item as in the negative class.
- §1
- A false negative is denying an applicant who should be approved
- §1 · legacy_primary
- 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.DR-088 backfill from the noun definition column
Outgoing relationships
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Incoming relationships
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No other term currently asserts a relationship to this one.