CMMC Level 3 Datasheet

Achieve Full Compliance with the Department of Defense's Highest Cybersecurity Standard

CMMC Level 3 represents the most advanced tier of cybersecurity readiness under the Cybersecurity Maturity Model Certification framework. It’s essential for contractors handling the most sensitive types of Controlled Unclassified Information (CUI). Download our CMMC Level 3 Data Sheet to access the full list of requirements and learn how RSI Security can guide you through end-to-end compliance.

What is CMMC Level 3?

CMMC Level 3 is the most rigorous certification level under the Department of Defense’s CMMC 2.0 framework. Building on Levels 1 and 2, it includes:

• All 110 controls from NIST SP 800-171

• An additional 20+ practices from NIST SP 800-172

• Institutionalized processes for risk management, incident response, advanced threat protection, and supply chain security

Organizations that must achieve CMMC Level 3 include DoD contractors that manage highly sensitive CUI or support critical national security missions. This level is assessed directly by the Defense Industrial Base Cybersecurity Assessment Center (DIBCAC) and requires a government-led audit.

What's Inside the CMMC Level 3 Data Sheet?

Our downloadable datasheet provides a detailed breakdown of all practices and controls required at Level 3, including:

• All 20+ Level 3 Controls beyond NIST SP 800-171, mapped to NIST SP 800-172
• SOC & Incident Response Requirements for 24/7 protection
• Pen Testing & Automation guidelines for continuous monitoring
• Threat-Informed Risk & Supply Chain Management best practices
• Advanced User Training & Awareness aligned with real-world threats
• Integrity & Isolation Measures for critical systems and assets
• Clear Path from Level 2 to Level 3 – what’s new and how to prepare