Gartner – User Authentication Product Reviews and Ratings

RCDevs

Yubico

Duo – Best practices for securing a Duo MFA enrollment Rollout

Microsoft – Authentication Methods for AD FS

Microsoft – Set up Multi-Factor Authentication for M365

Cybersecurity and Infrastructure Security Agency – More than a password

BrightTALK – FIDO Deployment Challenges & Best Practices for FIDO Key Management

YouTube – NIST SP 800-171 Control 3.5.3 Use multifactor authentication for access to privileged accounts

CMMC Level 2 Assessment Guide