NIST 800-171 3.4 Configuration Management
Configuration Management keeps the system in a known state: documented baselines and inventories, enforced security settings, changes reviewed before they happen, and only the software and services the mission needs.
9 requirementsup to 33 SPRS points3 can go on a CMMC POA&M
The 9 Configuration Management requirements
- 3.4.1 Baseline and InventoryCM.L2-3.4.1Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.
- 3.4.2 Security SettingsCM.L2-3.4.2Establish and enforce security configuration settings for information technology products employed in organizational systems.
- 3.4.3 Change ControlCM.L2-3.4.3Track, review, approve or disapprove, and log changes to organizational systems.
- 3.4.4 Security Impact AnalysisCM.L2-3.4.4Analyze the security impact of changes prior to implementation.
- 3.4.5 Change Access LimitsCM.L2-3.4.5Define, document, approve, and enforce physical and logical access restrictions associated with changes to organizational systems.
- 3.4.6 Least FunctionalityCM.L2-3.4.6Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.
- 3.4.7 Nonessential ServicesCM.L2-3.4.7Restrict, disable, or prevent the use of nonessential programs, functions, ports, protocols, and services.
- 3.4.8 Application ExecutionCM.L2-3.4.8Apply deny-by-exception (blacklisting) policy to prevent the use of unauthorized software or deny-all, permit-by-exception (whitelisting) policy to allow the execution of authorized software.
- 3.4.9 User-Installed SoftwareCM.L2-3.4.9Control and monitor user-installed software.
Configuration Management: points and the CMMC POA&M
- Q-01
How many SPRS points can the Configuration Management family cost?
Up to 33 of the 313 points a score can lose: 6 worth 5 points and 3 worth 1.
- Q-02
Which Configuration Management requirements can go on a CMMC POA&M?
3 of the 9: 3.4.3, 3.4.4 and 3.4.9, worth 1 point each. The others are worth more than 1 point, which 32 CFR 170.21(a)(2)(ii) does not admit. The score must also be at least 88.
Know the family. Keep the evidence for every requirement in it.
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