CM-4(1)_separate-test-environments

DevOps & Security

Analyze changes to the system in a separate test environment before implementation in an operational environment, looking for security and privacy imp

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-53_rev5/CM_configuration-management/CM-4(1)_separate-test-environments/SKILL.md

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CM-4(1) Separate Test Environments

Enhancement of: CM-4

High-Level Description

Family: Configuration Management (CM) Framework: NIST SP 800-53 Rev 5

A separate test environment requires an environment that is physically or logically separate and distinct from the operational environment. The separation is sufficient to ensure that activities in the test environment do not impact activities in the operational environment and that information in the operational environment is not inadvertently transmitted to the test environment. Separate environments can be achieved by physical or logical means. If physically separate test environments are not implemented, organizations determine the strength of mechanism required when implementing logical separation.

What to Check

Verify CM-4(1) Separate Test Environments is documented in SSP
Confirm control is operating effectively
Review evidence of continuous monitoring for CM-4(1)
Verify enhancement builds upon base control CM-4

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for CM-4(1) 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 configuration baselines	`cloud_audit_config`
AWS CLI	Review Config rules	`aws configservice describe-config-rules`

Remediation Guide

Control Statement

Analyze changes to the system in a separate test environment before implementation in an operational environment, looking for security and privacy impacts due to flaws, weaknesses, incompatibility, or intentional malice.

Implementation Guidance

Risk Assessment

Finding	Severity	Impact
CM-4(1) Separate Test Environments not implemented	Medium	Configuration Management
CM-4(1) partially implemented	Low	Incomplete Configuration Management

CWE Categories

CWE ID	Title
CWE-16	Configuration

References

Checklist

Control documented in SSP
Implementation evidence collected
Operating effectiveness validated
Continuous monitoring in place
Related controls (SA-11, SC-7) reviewed