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CMMC 2.0 Level 3: Expert

Home › CMMC Compliance Services › CMMC 101 › CMMC 2.0 Level 3: Expert

Level 3, Expert level, is intended for contractors handling high-value assets and information that are of critical importance to national security. Companies seeking Level 3 certification must demonstrate advanced cybersecurity capabilities to protect against sophisticated, state-sponsored threats and advanced persistent threats (APTs).

Level 3 is based on the requirements outlined in NIST Special Publication 800-172 and builds upon the practices established in Levels 1 and 2. Beyond the 110 practices from NIST SP 800-171 covered in Level 2, Level 3 includes additional enhanced security requirements designed to provide a higher level of protection. These enhanced requirements are tailored to counter APTs and are highly technical, focusing on proactive threat hunting, incident response, and system recovery processes.

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Key components of Level 3 certification include:

  1. Advanced Threat Hunting: Conducting proactive searches within the network to detect potential indicators of compromise (IOCs) before they are known or identified by traditional signature-based detection methods.
  2. Enhanced Incident Response: Developing and implementing an incident response plan that includes preparation, detection, analysis, containment, eradication, and recovery.
  3. Resilient System Architecture: Building systems with the capability to withstand and recover from a cyber attack, ensuring the continuity of critical operations even when certain components are compromised.

Level 3 requires an organization pass a Level 2 certification assessment performed by a CMMC Third-Party Assessment Organization (C3PAO) and then complete a third-party assessment of the additional controls from NIST 800-172 conducted by a Defense Industrial Base Cybersecurity Assessment Center (DIBCAC) assessment team. The third-party certifications for Level 3 occur triennially.  A self-assessment accompanied by a Senior Official affirmation must be completed and submitted each of the other two years in the three year cycle.

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Many companies will struggle to meet the cost and complexity associated with achieving Cybersecurity Maturity Model Certification (CMMC) compliance. CMMC introduces a rigorous and comprehensive set of cybersecurity standards, which may entail significant investment in technology, personnel, and processes. Request our free whitepaper – The Total Cost of DoD Cybersecurity Compliance – to learn the top cost drivers that impact government contractors ability to achieve and maintain DFARS and CMMC compliance.

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