AC-16(7)_consistent-attribute-interpretation

AC-16(7) Consistent Attribute Interpretation

Enhancement of: AC-16

High-Level Description

Family: Access Control (AC) Framework: NIST SP 800-53 Rev 5

To enforce security and privacy policies across multiple system components in distributed systems, organizations provide a consistent interpretation of security and privacy attributes employed in access enforcement and flow enforcement decisions. Organizations can establish agreements and processes to help ensure that distributed system components implement attributes with consistent interpretations in automated access enforcement and flow enforcement actions.

What to Check

• Verify AC-16(7) Consistent Attribute Interpretation is documented in SSP
• Confirm control is operating effectively
• Review evidence of continuous monitoring for AC-16(7)
• Verify enhancement builds upon base control AC-16

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for AC-16(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

Remediation Guide

Control Statement

Provide a consistent interpretation of security and privacy attributes transmitted between distributed system components.

Implementation Guidance

To enforce security and privacy policies across multiple system components in distributed systems, organizations provide a consistent interpretation of security and privacy attributes employed in access enforcement and flow enforcement decisions. Organizations can establish agreements and processes to help ensure that distributed system components implement attributes with consistent interpretations in automated access enforcement and flow enforcement actions.

Risk Assessment

CWE Categories

References

• NIST SP 800-53 Rev 5 - AC-16(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 (none) reviewed