White Paper: Implementation Guide: Transitioning from NIST SP 800-63-3 to SP 800-63-4

This white paper serves as a practical implementation guide for transitioning organizations from NIST SP 800-63-3 to the updated SP 800-63-4 framework. The document outlines a doctrinal shift away from static compliance checklists toward a continuous, five-step Digital Identity Risk Management (DIRM) lifecycle across Identity (IAL), Authenticator (AAL), and Federation (FAL) Assurance Levels.