NIST
NIST Password Guidelines 2026: 15 Characters, No Resets
What NIST SP 800-63B-4 actually requires in 2026: a mandatory 15-character minimum for passwords used on their own, an 8-character floor only inside MFA, no forced periodic resets, breached-password screening, and where MFA is required.
Security Compliance Guide Editorial Team · April 28, 2026 ·
14 min read