CMMC Level 1 Self-Assessment Guide

Federal Financial Institutions Examination Council IT Examination Handbook – Physical Security

SAPBW Consulting – 5 Physical Security Controls Your Business Needs

Health and Human Services – Security Standards: Physical Safeguards

North Carolina – Physical and Environmental Protection Policy

Cybersecurity & Infrastructure Security Agency – Best Practices for Planning and Managing Physical Security Resources

Naval Facilities Engineering Service Center – User’s Guide on Controlling Locks, Keys and Access Cards

SANS Whitepaper – Physical Security and Why It Is Important