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Assurance

nounverified·updated May 9, 2026

Grounds for confidence that the other four security goals (integrity, availability, confidentiality, and accountability) have been adequately met by a specific implementation. “Adequately met” includes (1) functionality that performs correctly, (2) sufficient protection against unintentional errors (by users or software), and (3) sufficient resistance to intentional penetration or by-pass.

polysemousNISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 2 pending review

The grounds for confidence that the set of intended security controls in an information system are effective in their application.

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 3 pending review

Measure of confidence that the security features, practices, procedures, and architecture of an information system accurately mediates and enforces the security policy.

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 4 pending review

In the context of OMB M-04-04 and this document, assurance is defined as 1) the degree of confidence in the vetting process used to establish the identity of an individual to whom the credential was issued, and 2) the degree of confidence that the individual who uses the credential is the individual to whom the credential was issued.

Wordset Dictionary

freedom from doubt

Wordset Dictionary

a statement intended to inspire confidence

Wordset Dictionary

a binding commitment to do or give or refrain from something

Wordset Dictionary

a British term for some kinds of insurance

Classifications

Entity Type

Capability72%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
pledgesureness
plural
Assurances
possessive
Assurance's
pluralpossessive
Assurances'