pe-12-1-essential-mission-and-business-functions

name	PE-12(1)_essential-mission-and-business-functions
description	Provide emergency lighting for all areas within the facility supporting essential mission and business functions.
category	configuration
version	5.2.0
author	cyberstrike-official
tags	["nist","sp800-53","rev5","pe-12-1","pe","enhancement"]
tech_stack	["any"]
cwe_ids	[]
chains_with	[]
prerequisites	["PE-12"]
severity_boost	{}

PE-12(1) Essential Mission and Business Functions

Enhancement of: PE-12

High-Level Description

Family: Physical and Environmental Protection (PE) Framework: NIST SP 800-53 Rev 5

Organizations define their essential missions and functions.

What to Check

• Verify PE-12(1) Essential Mission and Business Functions is documented in SSP
• Confirm control is operating effectively
• Review evidence of continuous monitoring for PE-12(1)
• Verify enhancement builds upon base control PE-12

How to Test

Step 1: Review Documentation

Examine the System Security Plan (SSP) and related artifacts for PE-12(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
Manual Review	Documentation and interview-based	N/A

Remediation Guide

Control Statement

Provide emergency lighting for all areas within the facility supporting essential mission and business functions.

Implementation Guidance

Organizations define their essential missions and functions.

Risk Assessment

Finding	Severity	Impact
PE-12(1) Essential Mission and Business Functions not implemented	Medium	Physical and Environmental Protection
PE-12(1) partially implemented	Low	Incomplete Physical and Environmental Protection

CWE Categories