Ryan Galluzzo

Publications

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

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

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

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Ryan Galluzzo (Fed)

Publications