NIST SP 800-63-4 provides a core framework for digital identity, with separate assurance levels for identity proofing, authentication and federated identity management. Furthermore, this standard updates requirements to create a more adaptive risk management process. For higher assurance levels, these guidelines recommend using phishing-resistant methods like FIDO Passkeys that provide...

Identity proofing is a fundamental element of digital authentication. NIST has developed Identity Assurance Levels (IALs), which represent how likely it is that a claimed identity corresponds with a real world one. The IAL3 process requires submission of superior-strength identity evidence and its subsequent verification by an authenticator in order to prevent stand-in fraud. Additionally,...