AU-3(3)_limit-personally-identifiable-information-elements
DevOps & SecurityAU-3(3)_limit-personally-identifiable-information-elements is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.
Limit personally identifiable information contained in audit records to the following elements identified in the privacy risk assessment: [organizatio
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AU-3(3) Limit Personally Identifiable Information Elements
Enhancement of: AU-3
High-Level Description
Family: Audit and Accountability (AU) Framework: NIST SP 800-53 Rev 5
Limiting personally identifiable information in audit records when such information is not needed for operational purposes helps reduce the level of privacy risk created by a system.
What to Check
- Verify AU-3(3) Limit Personally Identifiable Information Elements is documented in SSP
- Confirm control is operating effectively
- Review evidence of continuous monitoring for AU-3(3)
- Verify enhancement builds upon base control AU-3
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for AU-3(3) implementation details. Verify the organization has documented how this control is satisfied.
Step 2: Validate Implementation
# For cloud environments, use cloud-audit-mcp tools
# For on-premises, review system configurations directly
# Example: Check if account management policies exist
grep -r "account.management\|access.control" /etc/security/ 2>/dev/null
Step 3: Test Operating Effectiveness
Verify the control is actively functioning, not just documented. Check logs, configurations, and operational evidence.
Tools
| Tool | Purpose | Usage |
|---|---|---|
| cloud-audit-mcp | Check logging configuration | cloud_audit_logging |
| AWS CLI | Review CloudTrail/CloudWatch | aws cloudtrail describe-trails |
Remediation Guide
Control Statement
Limit personally identifiable information contained in audit records to the following elements identified in the privacy risk assessment: [organization-defined].
Implementation Guidance
Limiting personally identifiable information in audit records when such information is not needed for operational purposes helps reduce the level of privacy risk created by a system.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| AU-3(3) Limit Personally Identifiable Information Elements not implemented | Medium | Audit and Accountability |
| AU-3(3) partially implemented | Low | Incomplete Audit and Accountability |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-778 | Insufficient Logging |
References
- NIST SP 800-53 Rev 5 - AU-3(3)
- NIST SP 800-53A Rev 5 (Assessment Procedures)
- NIST SP 800-53 Rev 5 Full Catalog
Checklist
- Control documented in SSP
- Implementation evidence collected
- Operating effectiveness validated
- Continuous monitoring in place
- Related controls (RA-3) reviewed