Protecting Controlled Unclassified Information (CUI): NIST Special Publication 800-171, Revision 3. Small Business Primer

This introductory guide provides small businesses with a high level overview of NIST Special Publication (SP) 800-171 Revision 3, Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations. The document is broken up into two separate sections. The first few pages provide a general overview tailored to business leaders or those new to SP 800-171 R3 The second section is written for those who are tasked with implementing the security requirements in SP 800-171 R3 (whether doing it themselves or engaging a vendor), or those who want to gain an introductory understanding of each of the control families. This primer is not all-encompassing and serves as a bridge to the larger SP 800-171 R3 publication. The guide includes an overview of SP 800-171 R3, frequently asked questions, tips for getting started, related resources, definitions and examples, and more.