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

CISA – More than a password

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

YouTube – NIST 800-171 Control 3.5.2 Authenticate identity of users/processes/devices as a prerequisite

CMMC Level 1 Self-Assessment Guide