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CMMC Compliance for Defense Contractors


A focused guide series on the Cybersecurity Maturity Model Certification: what the levels require, what certification costs, how SPRS scoring works, and how to prepare people, process, and AI systems for assessment.

Why This Series Matters

CMMC is now a condition of award on covered contracts. This series helps contractor leaders understand the rule, scope FCI and CUI, pick the right level, build a defensible System Security Plan, and keep evidence ready between assessments.

Best Starting Point

CMMC Compliance: The Complete Guide for Defense Contractors

Start with the complete guide, then use the supporting articles to go deeper on the three levels, readiness steps, CUI mapping, and preparing AI tools for assessment.

Read the Main Guide
01Know the rule

Understand the 32 CFR program rule, the DFARS contract clause, and the phased rollout timeline.

02Scope and pick a level

Separate FCI from CUI, map where data lives, and confirm whether Level 1, 2, or 3 applies.

03Build the evidence

Align the SSP, POA&M, SPRS score, and control evidence to NIST SP 800-171 requirements.

04Assess and sustain

Pass self assessment or a C3PAO assessment, then keep controls and evidence current between cycles.

Featured Guides

Read the CMMC Series

Cybersecurity code and network infrastructure representing CMMC compliance for defense contractors

Pillar Hub | GovCon Cybersecurity

CMMC Compliance: The Complete Guide for Defense Contractors

CMMC compliance is not a certificate you buy near a deadline. It is a state you can prove on any given day. This guide explains what CMMC requires, how the three levels work, where the real effort and cost concentrate, and the evidence that proves readiness.

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Secure network infrastructure representing the three CMMC 2.0 levels for defense contractors

Supporting Guide | GovCon Cybersecurity

CMMC 2.0 Levels Explained: Level 1, 2, and 3 Requirements

CMMC 2.0 has three levels, and the level you need is decided by the information in your contract, not the size of your company. This guide compares Level 1, 2, and 3 by requirements, assessment type, and the real effort each one demands.

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Secure digital infrastructure representing AI systems being prepared for CMMC assessment

Supporting Guide | Secure AI Automation

Preparing AI Systems for CMMC Assessment

A practical guide for DoD contractors preparing AI tools, RAG systems, model endpoints, connectors, vendors, logs, and CUI workflows for the CMMC assessment conversation.

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Network infrastructure representing CUI data flow mapping for CMMC

Supporting Guide | Cybersecurity Compliance

How to Build a CUI Data Flow Map for CMMC

A practical guide for government contractors building a CUI data flow map to support CMMC scoping, SSP updates, cloud and AI review, subcontractor management, and assessment readiness.

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Need help getting to CMMC ready?

GS Consulting helps DoD and federal contractors scope FCI and CUI, assess CMMC and NIST SP 800-171 readiness, build SSPs and POA&Ms, improve SPRS scores, and prepare AI tools for assessment.

Request a Readiness Assessment

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