Microsoft – CMMC 2.0 Level 1 Implementation Guide

FTC – Cybersecurity for Small Business: Physical Security

Department of Homeland Security – Protect Your Workplace

Get Safe Online – Physical Security

CMMC Level 1 Self-Assessment Guide

ID Watchdog – Workplace Physical Security Is an Essential Component of Cybersecurity: 11 Ways to Better Protect People, Devices, and Data

Pearson – Physical and Environmental Security

FBI – Physical Protection Policy Sample

SANS Whitepaper – Physical Security and Why It Is Important