What Is the NIST 800-53 Framework?

**Executive Summary:** This document provides an overview of NIST SP 800-53 Revision 5, summarizing its 20 control families, notable updates (notably formalized supply chain risk management and privacy control changes), recommended implementation steps (categorize systems, select and tailor controls, document, assess, and continuously monitor), and how SecurityScorecard’s Supply Chain Detection and Response (SCDR) and MAX services can help organizations align with the framework and manage third-party risk.