What is a C3PAO?
A CMMC Certified Third-Party Assessor Organization (C3PAO) is an accredited entity authorized by the Cyber AB to conduct official CMMC assessments for defense contractors. C3PAOs play a critical role in verifying whether organizations meet the security requirements outlined in CMMC Level 2, ensuring compliance with NIST SP 800-171 and helping secure the broader Defense Industrial Base (DIB).
The Role of a C3PAO in the CMMC Journey
Welcome to your single-source HIPAA Compliance Resource Center designed to help healthcare providers, business associates, and covered entities stay compliant, reduce risk, and protect Protected Health Information (PHI).
With expert guidance, actionable checklists, and the latest industry news, this hub gets your organization ready to meet HIPAA privacy and security requirements with confidence.
CMMC Checklist
Use this comprehensive checklist to track your organization’s progress toward CMMC compliance. It covers each requirement by level and helps you identify gaps before your formal assessment.
What is the CMMC and How Should I Prepare for It?
The Cybersecurity Maturity Model Certification (CMMC) is the Department of Defense’s unified standard for assessing and improving cybersecurity across the Defense Industrial Base. It ensures contractors meet required safeguards for protecting sensitive federal information like FCI and CUI.
Best Cybersecurity Practices for DoD Contractors
Discover proven strategies to strengthen your cybersecurity posture in alignment with CMMC requirements. This guide outlines key technical and organizational practices tailored for the defense supply chain.
Getting Started with CMMC Compliance
Find a Quality C3PAO
Discover what makes a strong and credible C3PAO. Learn how to evaluate providers based on their documentation, evidence handling, and assessment practices.
How to Choose a CMMC Partner
Identify the right CMMC partner to support long-term success. Learn how to stay compliant with best practices for annual reviews, continual improvement, and role sustainability.
CMMC 2.0 Datasheet
Get a clear, concise overview of CMMC 2.0’s updated structure, levels, and timelines. This datasheet simplifies what’s changed and what contractors need to do next to stay compliant.
Controlled Unclassified Information (CUI)
CMMC Framework & Overview
- What is the CMMC and How Should I Prepare for It?
- Cybersecurity Maturity Model Certification Framework
- CMMC 2.0 Update: Everything Your Organization Needs to Know
- The Evolution to CMMC 2.0
- Cybersecurity Maturity Model Certification Accreditation Body Certifications Explained
- Understanding the Interplay Between CMMC, NIST, and DFARS
- CMMC 2.0: Transforming Cybersecurity for the Defense Sector
CMMC Preparation & Readiness
- Complete CMMC Assessment Guide
- How to Prepare for a CMMC Assessment
- Conducting a CMMC Readiness Assessment Step-by-Step
- How to Conduct a CMMC Gap Assessment
- How to Prepare for CMMC and NIST Assessments
- How to Conduct CMMC Employee Training
- Preparation Checklist for a CMMC Audit
- How to Prepare for a CMMC Audit
Cyber Hygiene and Compliance Awareness
Learn the foundational practices and training protocols needed to stay safe in today’s digital world. These resources help individuals and organizations build strong security habits and meet compliance requirements.
Level 2 Assessments & Certifications
The CMMC Toolbox
CMMC Levels Procedural Breakdown
A quick guide to the steps and practices required at each CMMC level, from basic safeguards to advanced cybersecurity.
Implementation Challenges
A brief look at common hurdles organizations face when adopting CMMC, from resource gaps to technical complexities.
CMMC C3PAO Assessment Services
Get expert guidance to navigate every phase of your CMMC journey. RSI Security supports C3PAOs with gap assessments, audit readiness, and documentation tailored to meet Cyber AB and DIBCAC expectations—ensuring your team is fully equipped to deliver compliant, high-quality assessments.
CMMC 2.0 Compliance Consulting
Stay ahead of evolving requirements with strategic support. RSI Security helps contractors and C3PAOs align with NIST SP 800-171 and Cyber AB standards, building resilient, audit-ready cybersecurity programs that meet CMMC 2.0 demands.
Need Help with CMMC Compliance or Certification?
Whether you're preparing for your first assessment or advancing toward Level 3, RSI Security delivers proven CMMC expertise to secure your role in the Defense Industrial Base.
Get started on your CMMC compliance journey. Speak with one of our compliance experts today!
