NIST SP 800-171 Rev 2 · 3.14 System & Information Integrity

3.14.7 Identify unauthorized system use

Identify unauthorized use of 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

2

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

What an assessor checks

NIST SP 800-171A breaks 3.14.7 into 2 objectives. Every one has to be met for the requirement to be met; a partial answer scores as not implemented.

1. [a]Determine if authorized use of the system is defined.
2. [b]Determine if unauthorized use of the system is identified.

Examine

[SELECT FROM: Continuous monitoring strategy; system and information integrity policy; procedures addressing system monitoring tools and techniques; facility diagram/layout; security plan; system design documentation; system monitoring tools and techniques documentation; locations within system where monitoring devices are deployed; system configuration settings and associated documentation; other relevant documents or records].

Interview

[SELECT FROM: System or network administrators; personnel with information security responsibilities; personnel installing, configuring, and maintaining the system; personnel with responsibility for monitoring the system].

Test

[SELECT FROM: Organizational processes for system monitoring; mechanisms supporting or implementing system monitoring capability].

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 3.14.7 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 3.14.7
get_assessment_objectives 3.14.7
generate_poam_entries ["3.14.7"]

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