NIST Special Publication 800-63-3 is an important guideline for modern digital identity management, but the 2025 final release of SP 800-63-4 changes the focus to Digital Identity Risk Management (DIRM), encouraging agencies to analyze threats and service impacts before selecting an IAL, AAL, or FAL as necessary. IAL3 Verification NIST 800-63-4 provides a practical framework for measuring...