Microsoft – CMMC 2.0 Level 1 Implementation Guide

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

SANS Whitepaper – Physical Security and Why It Is Important