NIST Special Publication 800-53 provides a comprehensive catalog of security and privacy controls for federal information systems and organizations. Revision 5 includes over 1,000 controls organized into 20 families covering access control, audit, incident response, system integrity, and more. These controls serve as the technical foundation for FISMA compliance, FedRAMP authorization, and are increasingly referenced by private-sector organizations seeking rigorous security baselines. Controls are tailored based on system impact levels (Low, Moderate, High). — Browse 2 verified solutions.