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Authentication Protocol

nounverified· unreviewed·updated Aug 30, 2026

A defined sequence of messages between a Claimant and a Verifier that demonstrates that the Claimant has possession and control of a valid token to establish his/her identity, and optionally, demonstrates to the Claimant that he or she is communicating with the intended Verifier.

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

Senses

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

A well-specified message exchange process between a claimant and a verifier that enables the verifier to confirm the claimant’s identity.

NIST SP 800-171r3attested usage pack match

No definition is given in NIST SP 800-171r3. The term is attested in use at 3 citations in that document; a definition is pending curation.

Classifications

Entity Type

Process0%rule-basedmulti_axis_classifier_low_confidence.v1
?unassignedlast reviewed

Sensitivity

Regulated90%llm-generatedllm:claude-haiku-4-5
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Information Class

80%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed

Variants

plural
Authentication Protocols
possessive
Authentication Protocol's
pluralpossessive
Authentication Protocols'