AU-9—Protection of Audit Information
>Control Description
Protect audit information and audit logging tools from unauthorized access, modification, and deletion; and
Alert ⚙organization-defined personnel or roles upon detection of unauthorized access, modification, or deletion of audit information.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
Audit information includes all information needed to successfully audit system activity, such as audit records, audit log settings, audit reports, and personally identifiable information. Audit logging tools are those programs and devices used to conduct system audit and logging activities. Protection of audit information focuses on technical protection and limits the ability to access and execute audit logging tools to authorized individuals.
Physical protection of audit information is addressed by both media protection controls and physical and environmental protection controls.
>Programmatic Queries
Related Services
CLI Commands
aws cloudtrail describe-trails --query 'trailList[*].{Name:Name,LogValidation:LogFileValidationEnabled}'aws s3api get-object-lock-configuration --bucket BUCKET_NAMEaws s3api get-bucket-encryption --bucket BUCKET_NAMEaws s3api get-bucket-policy --bucket BUCKET_NAME>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AU-9 (Protection Of Audit Information)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AU-9?
- •How frequently is the AU-9 policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AU-9?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AU-9 requirements.
- •What automated tools, systems, or technologies are deployed to implement AU-9?
- •How is AU-9 integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AU-9 requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AU-9?
- •What audit logs, records, reports, or monitoring data validate AU-9 compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AU-9 effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AU-9 compliance?
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