CP-4(4)_full-recovery-and-reconstitution

DevOps & Security

Include a full recovery and reconstitution of the system to a known state as part of contingency plan testing.

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/CP_contingency-planning/CP-4(4)_full-recovery-and-reconstitution/SKILL.md

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CP-4(4) Full Recovery and Reconstitution

Enhancement of: CP-4

High-Level Description

Family: Contingency Planning (CP) Framework: NIST SP 800-53 Rev 5

Recovery is executing contingency plan activities to restore organizational mission and business functions. Reconstitution takes place following recovery and includes activities for returning systems to fully operational states. Organizations establish a known state for systems that includes system state information for hardware, software programs, and data. Preserving system state information facilitates system restart and return to the operational mode of organizations with less disruption of mission and business processes.

What to Check

Verify CP-4(4) Full Recovery and Reconstitution is documented in SSP
Confirm control is operating effectively
Review evidence of continuous monitoring for CP-4(4)
Verify enhancement builds upon base control CP-4

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for CP-4(4) 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
Manual Review	Documentation and interview-based	N/A

Remediation Guide

Control Statement

Include a full recovery and reconstitution of the system to a known state as part of contingency plan testing.

Implementation Guidance

Risk Assessment

Finding	Severity	Impact
CP-4(4) Full Recovery and Reconstitution not implemented	Medium	Contingency Planning
CP-4(4) partially implemented	Low	Incomplete Contingency Planning

CWE Categories

CWE ID	Title
N/A	No direct CWE mapping

References

Checklist

Control documented in SSP
Implementation evidence collected
Operating effectiveness validated
Continuous monitoring in place
Related controls (CP-10, SC-24) reviewed