CA-5

Requirement
1. Develop a plan of action and milestones for the system to document the planned remediation actions of the organization to correct weaknesses or deficiencies noted during the assessment of the controls and to reduce or eliminate known vulnerabilities in the system; and
2. Update existing plan of action and milestones [Assignment: organization-defined frequency] based on the findings from control assessments, independent audits or reviews, and continuous monitoring activities.

Discussion

Plans of action and milestones are useful for any type of organization to track planned remedial actions. Plans of action and milestones are required in authorization packages and subject to federal reporting requirements established by OMB.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: Assessment, authorization, and monitoring policy; procedures addressing plan of action and milestones; control assessment plan; control assessment report; control assessment evidence; plan of action and milestones; system security plan; privacy plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with plan of action and milestones development and implementation responsibilities; organizational personnel with information security and privacy responsibilities].

Test

[SELECT FROM: Mechanisms for developing, implementing, and maintaining plan of action and milestones].

ID	Assessment Objectives
CA-05a.	a plan of action and milestones for the system is developed to document the planned remediation actions of the organization to correct weaknesses or deficiencies noted during the assessment of the controls and to reduce or eliminate known vulnerabilities in the system;
CA-05b.	existing plan of action and milestones are updated <CA-05_ODP frequency> based on the findings from control assessments, independent audits or reviews, and continuous monitoring activities.

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