MARS-E MARS-E-Access-Control-Identity-Authentication-NIST-800-63-Identity-Assurance-Levels-MFA-AC-IA-Families: MARS-E Access Control + Identity + Authentication + NIST 800-63 + MFA + AC + IA Families

Implement NIST 800-53 AC Access Control family + IA Identification and Authentication family per MARS-E v2.0 catalog. NIST 800-63-3 Identity Assurance Level 2 (IAL2) + Authenticator Assurance Level 2 (AAL2) + Federation Assurance Level 2 (FAL2) for Exchange consumer authentication + IAL3 + AAL3 for administrative access. Identity proofing via Experian + LexisNexis + manual document review + biometric verification. Multi-Factor Authentication (MFA) mandatory for all administrative access + remote access + privileged operations. Role-Based Access Control (RBAC) with separation of duties (Eligibility Adjudicator + System Administrator + Privacy Officer + Security Officer). Least privilege enforcement. Account management lifecycle (provisioning + recertification + deprovisioning) with quarterly recertification. Privileged Access Management (PAM) with session recording for privileged users. Remote access via approved VPN + bastion host + jump server. Trust relationships with CMS Federal Data Services Hub + IRS + SSA + Department of Homeland Security + VLP (Verify Lawful Presence) coordinated through HHS Trust Framework.