CMMC Level 2 · System & Information Integrity

CMMC Level 2 3.14.2: Malicious Code Protection

3.14.2 — Malicious Code Protection — is one of the 110 CMMC Level 2 requirements. This page gives the exact requirement text, every assessment objective, and what evidence an assessor will ask for.

Last reviewed: October 18, 2026

What this requirement asks

Provide protection from malicious code at designated locations within organizational systems.

This is a CMMC Level 2 requirement in the System & Information Integrity family, drawn from NIST SP 800-171 Rev. 2. An assessor evaluates it objective by objective — every objective below must be supported by evidence, not just described in a policy.

Assessment objectives (2)

  • 3.14.2[a] — designated locations for malicious code protection are identified
  • 3.14.2[b] — protection from malicious code at designated locations is provided

What an assessor examines

Examine:

  • System and information integrity policy
  • configuration management policy and procedures
  • procedures addressing malicious code protection
  • records of malicious code protection updates
  • malicious code protection mechanisms
  • system security plan
  • system configuration settings and associated documentation
  • record of actions initiated by malicious code protection mechanisms in response to malicious code detection
  • scan results from malicious code protection mechanisms
  • system design documentation
  • system audit logs and records
  • other relevant documents or records

Interview:

  • System or network administrators
  • personnel with information security responsibilities
  • personnel installing, configuring, and maintaining the system
  • personnel with responsibility for malicious code protection
  • personnel with configuration management responsibility

Test:

  • Organizational processes for employing, updating, and configuring malicious code protection mechanisms
  • organizational process for addressing false positives and resulting potential impact
  • mechanisms supporting or implementing employing, updating, and configuring malicious code protection mechanisms
  • mechanisms supporting or implementing malicious code scanning and subsequent actions

Evidence that defends it

Show policies, detections, update status

Check your readiness

Score this requirement against your own environment with the Level 2 self-assessment checklist, or estimate your SPRS score with the free CMMC compliance tool. Self-reported answers are planning signals only — they do not establish a verified or assessor-accepted result.

Frequently asked questions

Is 3.14.2 required for CMMC Level 2?

Yes. 3.14.2 (Malicious Code Protection) is one of the 110 Level 2 requirements from NIST SP 800-171 Rev. 2. Every assessment objective must be met with supporting evidence.

What evidence satisfies 3.14.2?

Show policies, detections, update status

Further reading

Related Athena pages and authoritative external references.

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