Access Control for Transmission (03.10.08)_access-control-for-transmission

DevOps & Security

Access Control for Transmission

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How to use this skill

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/NIST/SP800-171_rev3/03.10_physical-protection/Access%20Control%20for%20Transmission%20(03.10.08)_access-control-for-transmission/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/access-control-for-transmission-03-10-08-access-control-for-transmission/. Do not write files or run scripts until I approve.

After I approve, install the complete skill folder, including required referenced files, into that project location. Verify it is discoverable, then tell me its actual invocation name and how to use it. Do not claim it is installed until you have verified it.

Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Access Control for Transmission (03.10.08) Access Control for Transmission

High-Level Description

Family: Physical Protection Framework: NIST SP 800-171 Rev 3 Applicability: Systems processing, storing, or transmitting CUI

Access Control for Transmission

What to Check

Verify Access Control for Transmission (03.10.08) Access Control for Transmission is implemented for CUI systems
Review SSP documentation for Access Control for Transmission (03.10.08)
Validate CMMC Level 2 assessment objective for Access Control for Transmission (03.10.08)
Confirm POA&M addresses any gaps for Access Control for Transmission (03.10.08)

How to Test

Step 1: Review System Security Plan

Examine the SSP for Access Control for Transmission (03.10.08) implementation description and responsible parties.

Step 2: Assess Implementation

# Verify security controls protecting CUI
# Check access controls, encryption, monitoring as applicable

# For Linux systems:
ls -la /etc/security/ 2>/dev/null
grep -r "CUI\|controlled" /etc/security/ 2>/dev/null

# For cloud:
# Use cloud-audit-mcp tools to assess posture

Step 3: CMMC Assessment Validation

Verify this requirement passes CMMC Level 2 assessment methodology per SP 800-171A Rev 3.

Tools

Tool	Purpose	Usage
cloud-audit-mcp	Assess cloud CUI environment	`cloud_audit_*` tools
Manual Review	SSP and POA&M review	Documentation analysis

Remediation Guide

Requirement Statement

Implement Access Control for Transmission per NIST SP 800-171 Rev 3.

Supplemental Guidance

Safeguarding measures applied to system distribution and transmission lines prevent accidental damage, disruption, and physical tampering. Such measures may also be necessary to prevent eavesdropping or the modification of unencrypted transmissions. Safeguarding measures used to control physical access to system distribution and transmission lines include disconnected or locked spare jacks, locked wiring closets, cabling protection with conduit or cable trays, and wiretapping sensors.

Risk Assessment

Finding	Severity	Impact
Access Control for Transmission (03.10.08) Access Control for Transmission not implemented	Medium	CUI Protection - Physical Protection
Access Control for Transmission (03.10.08) partially implemented (POA&M)	Low	CMMC certification risk

CWE Categories

CWE ID	Title
N/A	No direct CWE mapping

References

Checklist

SSP documents Access Control for Transmission (03.10.08) implementation
Evidence of operating effectiveness collected
POA&M addresses any gaps
CMMC assessment objective met
Continuous monitoring active