NIST 800-53 and 800-171 scope and control comparison
NIST SP 800-53 provides a broad catalog of security controls for federal agencies, while NIST SP 800-171 focuses on protecting Controlled Unclassified Information in non-federal environments. The 800-171 standard draws from 800-53 but defines a more focused set of requirements for organizations handling CUI. Security teams must identify which systems process CUI to determine the…