Small and medium-sized enterprises face growing challenges in protecting sensitive information. Cyber threats are evolving, and compliance requirements are becoming more complex. One important framework to understand is NIST 800-171. This guide will help you navigate its essentials and apply them effectively to your organization. Understanding the NIST 800-171 Guide NIST 800-171 is a set of standards designed to protect Controlled Unclassified Information (CUI) in non-federal