AC-6(7)_review-of-user-privileges
DevOps & SecurityAC-6(7)_review-of-user-privileges 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.
Review [organization-defined] the privileges assigned to [organization-defined] to validate the need for such privileges;
How to use this skill
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Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/AC_access-control/AC-6(7)_review-of-user-privileges/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/ac-6-7-review-of-user-privileges, but wait for my approval before writing files or running scripts.
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AC-6(7) Review of User Privileges
Enhancement of: AC-6
High-Level Description
Family: Access Control (AC) Framework: NIST SP 800-53 Rev 5
The need for certain assigned user privileges may change over time to reflect changes in organizational mission and business functions, environments of operation, technologies, or threats. A periodic review of assigned user privileges is necessary to determine if the rationale for assigning such privileges remains valid. If the need cannot be revalidated, organizations take appropriate corrective actions.
What to Check
- Verify AC-6(7) Review of User Privileges is documented in SSP
- Validate all 2 control requirements are implemented
- Confirm control is operating effectively
- Review evidence of continuous monitoring for AC-6(7)
- Verify enhancement builds upon base control AC-6
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for AC-6(7) 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 IAM policies and access controls | cloud_audit_iam_policies |
| hackbrowser-mcp | Test web application access controls | browser_auth_test |
Remediation Guide
Control Statement
Review [organization-defined] the privileges assigned to [organization-defined] to validate the need for such privileges; and Reassign or remove privileges, if necessary, to correctly reflect organizational mission and business needs.
Implementation Guidance
The need for certain assigned user privileges may change over time to reflect changes in organizational mission and business functions, environments of operation, technologies, or threats. A periodic review of assigned user privileges is necessary to determine if the rationale for assigning such privileges remains valid. If the need cannot be revalidated, organizations take appropriate corrective actions.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| AC-6(7) Review of User Privileges not implemented | High | Access Control |
| AC-6(7) partially implemented | Medium | Incomplete Access Control |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-284 | Improper Access Control |
References
- NIST SP 800-53 Rev 5 - AC-6(7)
- 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 (CA-7) reviewed