NIST 800-63A IAL3 serves as the cornerstone of digital identity ecosystem. It defines standards for identity verification, authentication and federation – providing guidelines on securely exchanging identities across systems. The fourth version of SP 800-63 maintains its three assurance levels IAL, AAL and FAL but provides updated requirements in response to evolving threats. Notably, this version mandates phishing-resistant methods like FIDO Passkeys as well as supports for federated identity management systems. Click here or visit our official site to dive deeper into NIST IAL3 verification.
