CM-4(2)—Impact Analyses | Verification of Controls
IL4 Mod
IL4 High
IL5
IL6
>Control Description
After system changes, verify that the impacted controls are implemented correctly, operating as intended, and producing the desired outcome with regard to meeting the security and privacy requirements for the system.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
Implementation in this context refers to installing changed code in the operational system that may have an impact on security or privacy controls.
>Programmatic Queries
Beta
Related Services
AWS Systems Manager
AWS Config
CLI Commands
Run Systems Manager automation for impact analysis
aws ssm start-automation-execution --document-name AWS-RunShellScript --parameters 'InstanceIds=i-1234567890abcdef0' --region us-east-1Evaluate Config rules to verify control effectiveness
aws configservice describe-compliance-by-resource --resource-types AWS::EC2::Instance --region us-east-1Get Config remediation status
aws configservice describe-remediation-execution-status --config-rule-names ec2-required-tags --region us-east-1>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of CM-4(2) (Verification Of Controls)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring CM-4(2)?
- •How frequently is the CM-4(2) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to CM-4(2)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce CM-4(2) requirements.
- •What automated tools, systems, or technologies are deployed to implement CM-4(2)?
- •How is CM-4(2) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce CM-4(2) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of CM-4(2)?
- •What audit logs, records, reports, or monitoring data validate CM-4(2) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of CM-4(2) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate CM-4(2) compliance?
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