NIST SP 800-171 Rev 2 · 3.7 Maintenance

3.7.4 Check diagnostic media for malicious code

Check media containing diagnostic and test programs for malicious code before the media are used in organizational systems.

SPRS weight

3

3 points deducted from 110 when not implemented.

CMMC level

L2

Level 2 only; not among the 17 Level 1 practices.

Assessment objectives

1

From NIST SP 800-171A, each one a “determine if” an assessor answers.

What an assessor checks

NIST SP 800-171A breaks 3.7.4 into 1 objectives. Every one has to be met for the requirement to be met; a partial answer scores as not implemented.

1. Determine if media containing diagnostic and test programs are checked for malicious code before being used in organizational systems that process, store, or transmit CUI.

Examine

[SELECT FROM: System maintenance policy; procedures addressing system maintenance tools; system maintenance tools and associated documentation; maintenance records; security plan; other relevant documents or records].

Interview

[SELECT FROM: Personnel with system maintenance responsibilities; personnel with information security responsibilities].

Test

[select from: Organizational process for inspecting media for malicious code; mechanisms supporting or implementing inspection of media used for maintenance].

If it is open: POA&M eligibility

A POA&M is only permitted at a score of 88 or above, and closes in one 180-day window. Check a full gap list or compute your score.

Where 3.7.4 maps

Query it from your own tools

This page and the MacTech CMMC MCP server render the same dataset. Ask your assistant and it will answer from the methodology, not from memory.

lookup_control 3.7.4
get_assessment_objectives 3.7.4
generate_poam_entries ["3.7.4"]

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