NIST 800-171 3.12 Security Assessment
Security Assessment covers checking that controls work, plans of action for those that do not, ongoing monitoring, and the system security plan that describes the whole system. Without a system security plan an assessment cannot be completed.
4 requirementsup to 13 SPRS points0 can go on a CMMC POA&M
The 4 Security Assessment requirements
- 3.12.1 Control AssessmentCA.L2-3.12.1Periodically assess the security controls in organizational systems to determine if the controls are effective in their application.
- 3.12.2 Plans of ActionCA.L2-3.12.2Develop and implement plans of action designed to correct deficiencies and reduce or eliminate vulnerabilities in organizational systems.
- 3.12.3 Ongoing MonitoringCA.L2-3.12.3Monitor security controls on an ongoing basis to ensure the continued effectiveness of the controls.
- 3.12.4 System Security PlanCA.L2-3.12.4Develop, document, and periodically update system security plans that describe system boundaries, system environments of operation, how security requirements are implemented, and the relationships with or connections to other systems.
Security Assessment: points and the CMMC POA&M
- Q-01
How many SPRS points can the Security Assessment family cost?
Up to 13 of the 313 points a score can lose: 2 worth 5 points and 1 worth 3. 3.12.4 has no value of its own, but without it no score is produced.
- Q-02
Which Security Assessment requirements can go on a CMMC POA&M?
None of them. 32 CFR 170.21(a)(2)(ii) admits only requirements worth 1 point. 3.12.4 is never allowed, whatever the value (32 CFR 170.21(a)(2)(iii)). The others are worth more than 1 point.
Know the family. Keep the evidence for every requirement in it.
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