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Verifier

March 5, 2025

Verifier

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cyber risk assessment insurance cybersecurity best practices authentication terminology jargon techspeakWhat’s a Verifier?

Definitions

An entity that verifies the Claimant’s identity by verifying the Claimant’s possession and control of a token using an authentication protocol. To do this, the Verifier may also need to validate credentials that link the token and identity and check their status.
SOURCE: SP 800-63

An entity which is or represents the entity requiring an authenticated identity. A verifier includes the functions necessary for engaging in authentication exchanges.
SOURCE: FIPS 196

In cybersecurity, a verifier is a process or entity that confirms that a system or digital signature meets requirementsVerification is a key part of cybersecurity that helps to ensure compliance with regulations and industry best practices. 

Used In A Sentence: That tall nerd Karl over there has invented a lightweight verifier technology that ticks all the ISO boxes… I bet he’s gonna get a girlfriend soon.

See Also: expanded NIST Definitions