To review your Azure subscription for NIST 800-53 compliance, the first step is to use Azure Policy and assign a built-in compliance initiative that aligns with the NIST 800-53 standard.

1️⃣ What is Azure Policy?
Azure Policy allows you to define and enforce rules to ensure resources are compliant with specific standards and policies.
Microsoft provides built-in policy initiatives for several compliance frameworks, including NIST SP 800-53 Rev. 5.