MP-4(2)_automated-restricted-access

MP-4(2) Automated Restricted Access

Enhancement of: MP-4

High-Level Description

Family: Media Protection (MP) Framework: NIST SP 800-53 Rev 5

Automated mechanisms include keypads, biometric readers, or card readers on the external entries to media storage areas.

What to Check

• Verify MP-4(2) Automated Restricted Access is documented in SSP
• Confirm control is operating effectively
• Review evidence of continuous monitoring for MP-4(2)
• Verify enhancement builds upon base control MP-4

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for MP-4(2) 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

Restrict access to media storage areas and log access attempts and access granted using [organization-defined].

Implementation Guidance

Automated mechanisms include keypads, biometric readers, or card readers on the external entries to media storage areas.

Risk Assessment

CWE Categories

References

• NIST SP 800-53 Rev 5 - MP-4(2)
• 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 (AC-3, AU-2, AU-6, AU-9, AU-12) reviewed