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Search Publications by: Ryan Galluzzo (Fed)

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Displaying 1 - 5 of 5

NIST SP 800-63-4: Digital Identity Guidelines

August 1, 2025
Author(s)
David Temoshok, Yee-Yin Choong, Ryan Galluzzo, Marie LaSalle, Andrew Regenscheid, Diana Proud-Madruga, Sarbari Gupta, Naomi Lefkovitz
These guidelines cover identity proofing, authentication, and federation of users (such as employees, contractors, or private individuals) interacting with government information systems over networks. They define technical requirements in each of the

NIST SP 800-63A-4:Digital Identity Guidelines - Identity Proofing and Enrollment

August 1, 2025
Author(s)
David Temoshok, Yee-Yin Choong, Ryan Galluzzo, Marie LaSalle, Andrew Regenscheid, Christine Abruzzi, James L. Fenton, Naomi Lefkovitz
This guideline focuses on identity proofing and enrollment for use in digital authentication. During the process of identity proofing, an applicant provides evidence to a credential service provider (CSP) reliably identifying themselves, thereby allowing

NIST SP 800-63B-4:Digital Identity Guidelines - Authentication and Authenticator Management

August 1, 2025
Author(s)
David Temoshok, Yee-Yin Choong, Andrew Regenscheid, Ryan Galluzzo, James L. Fenton, Justin Richer, Naomi Lefkovitz
This guideline focuses on the authentication of subjects who interact with government information systems over networks to establish that a given claimant is a subscriber who has been previously authenticated. The result of the authentication process may

NIST SP 800-63C-4:Digital Identity Guidelines - Federation and Assertions

August 1, 2025
Author(s)
Justin Richer, James L. Fenton, Naomi Lefkovitz, David Temoshok, Ryan Galluzzo, Andrew Regenscheid, Yee-Yin Choong
This guideline focuses on the use of federated identity and the use of assertions to implement identity federations. Federation allows a given credential service provider to provide authentication attributes and (optionally) subscriber attributes to a

Incorporating Syncable Authenticators Into NIST SP 800-63B

April 22, 2024
Author(s)
Ryan Galluzzo, Andrew Regenscheid, David Temoshok, Connie LaSalle
This supplement to NIST Special Publication 800-63B, Authentication and Lifecycle Management, provides agencies with additional guidance on the use of authenticators that may be synced between devices.
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