Assess, gap-analyze, and progressively implement the CISA Zero Trust Maturity Model v2.0 across five pillars (Identity, Devices, Networks, Applications & Workloads, Data) and three cross-cutting capabilities (Visibility/Analytics, Automation/Orchestration, Governance), from Traditional through Optimal maturity. Use for a federal/enterprise ZTMM assessment, phased roadmap, or mapping controls to NIST SP 800-207 and EO 14028.