cyberstrikeus PR.AC-05 PR.AC-05
Subcategory of: Identity Management, Authentication and Access Control (PR.AC)
High-Level Description
Function: PROTECT (PR) Framework: NIST Cybersecurity Framework v2.0
Network integrity is protected (e.g., network segregation, network segmentation)
What to Check
- Verify PR.AC-05 PR.AC-05 outcome is achieved
- Review documentation and evidence for PR.AC-05
- Assess organizational maturity for PROTECT function
- Map to SP 800-53 controls that satisfy PR.AC-05
How to Test
Step 1: Identify Current Profile
Determine the organization's current and target CSF profile tier for PR.AC-05.
Step 2: Assess Outcome Achievement
# Review organizational policies and procedures
# Check for evidence that PR.AC-05 outcome is met
# Interview stakeholders responsible for PROTECT
Step 3: Map to Technical Controls
Identify which SP 800-53 controls implement this CSF outcome and verify their operating effectiveness.
Tools
| Tool | Purpose | Usage |
|---|---|---|
| cloud-audit-mcp | Assess cloud security posture | cloud_audit_* tools |
| Manual Review | Policy and procedure review | Interviews and documentation |
Remediation Guide
Achieve the PR.AC-05 PR.AC-05 outcome:
Network integrity is protected (e.g., network segregation, network segmentation)
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| PR.AC-05 PR.AC-05 outcome not achieved | High | PROTECT Function Gap |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-284 | Improper Access Control |
References
Checklist
- Current profile tier assessed
- Target profile tier defined
- Gap analysis completed
- SP 800-53 control mapping verified
- Implementation roadmap exists