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Entropy

nounid 2472·updated May 9, 2026
verified

A measure of the amount of uncertainty that an Attacker faces to determine the value of a secret. Entropy is usually stated in bits.

polysemous

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

Metric92%llm-generatedllm:claude-haiku-4-5

Sensitivity

85%llm-generatedllm:claude-haiku-4-5

Information Class

90%llm-generatedllm:claude-haiku-4-5

Variants

synonym
informationrandomnessselective information
plural
Entropies
possessive
Entropy's
pluralpossessive
Entropies'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
A measure of the amount of uncertainty that an Attacker faces to determine the value of a secret. Entropy is usually stated in bits.
NIST SP 800-631 senseview framework →
§1
A measure of the amount of uncertainty that an Attacker faces to determine the value of a secret. Entropy is usually stated in bits.
Wordset Dictionary2 sensesview framework →
§1
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
§2
(communication theory) a numerical measure of the uncertainty of an outcome
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
A measure of the amount of uncertainty that an Attacker faces to determine the value of a secret. Entropy is usually stated in bits.
DR-088 backfill from the noun definition column

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Incoming relationships

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