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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

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

Outgoing relationships

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Incoming relationships

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