Date Published: July 2025
Supersedes:
SP 800-63-3 (03/02/2020)
None selected
Publication:
https://doi.org/10.6028/NIST.SP.800-63-4
Download URL
Supplemental Material:
Project homepage
Blog post
5 Key Changes graphic
Publication Parts:
SP 800-63A-4
SP 800-63B-4
SP 800-63C-4
Document History:
06/08/20: SP 800-63-4 (Draft)
12/16/22: SP 800-63-4 (Draft)
08/21/24: SP 800-63-4 (Draft)
07/31/25: SP 800-63-4 (Final)