Updated Digital Identity Guidelines are Here (NIST 800-63 Revision 4)

3 months ago 3

Date Published: July 2025

Supersedes: SP 800-63-3 (03/02/2020)

Author(s)

David Temoshok (NIST), Diana Proud-Madruga (Electrosoft), Yee-Yin Choong (NIST), Ryan Galluzzo (NIST), Sarbari Gupta (Electrosoft), Connie LaSalle (NIST), Naomi Lefkovitz (NIST), Andrew Regenscheid (NIST)

These guidelines cover the identity proofing, authentication, and federation of users (e.g., employees, contractors, or private individuals) who interact with government information systems over networks. They define technical requirements in each of the areas of identity proofing, enrollment, authenticators, management processes, authentication protocols, federation, and related assertions. They also offer technical recommendations and other informative text as helpful suggestions. The guidelines are not intended to constrain the development or use of standards outside of this purpose. This publication supersedes NIST Special Publication (SP) 800-63-3.

Keywords

assertions; authentication; authentication assurance; authenticator; credential service provider; digital authentication; identity proofing; federation; passwords; PKI

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