Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

ITL Bulletin

Understanding the Major Update to NIST SP 800-63: Digital Identity Guidelines

Date Published: August 2017


Kristina Rigopoulos (NIST), Michael Garcia (NIST), Paul Grassi (NIST), Larry Feldman (G2), Gregory Witte (G2)



authentication, authentication assurance, authenticator, assertions, credential service provider, digital authentication, digital credentials, identity proofing, federation, passwords, PKI
Control Families

None selected


Download (pdf)

Supplemental Material:
None available

Related NIST Publications:
SP 800-63-3
SP 800-63A
SP 800-63B
SP 800-63C
SP 800-63-3
SP 800-63A
SP 800-63B
SP 800-63C

Document History:
08/29/17: ITL Bulletin (Final)