DFARS Compliance Checklist: 7 Steps Every Defense Contractor Must Complete
The Defense Federal Acquisition Regulation Supplement (DFARS) establishes cybersecurity requirements that every defense contractor and subcontractor must meet to handle Controlled Unclassified Information (CUI). DFARS clause 252.204-7012 is the cornerstone requirement, mandating that contractors implement adequate security measures based on NIST SP 800-171. Non-compliance can result in contract termination, False Claims Act liability, and permanent exclusion from future DOD contracts. This comprehensive checklist walks you through the seven essential steps to achieve and maintain DFARS compliance — with practical guidance that Texas defense contractors can implement immediately.
Key Takeaways
- DFARS 252.204-7012 applies to all DOD contractors and subcontractors that process, store, or transmit Controlled Unclassified Information (CUI)
- Full implementation of NIST SP 800-171’s 110 controls is required — not recommended, not optional, required
- 72-hour incident reporting through DIBNet is mandatory for any cyber incident involving CUI — failure to report is itself a compliance violation
- DFARS compliance is the foundation for CMMC 2.0 — contractors who are DFARS-compliant have a significant head start on CMMC Level 2 certification
- CoreRecon provides end-to-end DFARS compliance support — from gap assessment through remediation, documentation, and continuous monitoring
Step 1: Determine If DFARS Applies to Your Organization
DFARS cybersecurity requirements apply to any contractor or subcontractor that processes, stores, or transmits CUI on behalf of the Department of Defense. The first step is determining whether your organization falls within scope. Review all your contracts and subcontracts for DFARS clause 252.204-7012. If this clause is present — and it’s present in virtually all new DOD contracts — you are required to comply.
Even if you believe your organization doesn’t handle CUI, verify this with your contracting officer. Many Texas contractors are surprised to learn that technical drawings, engineering specifications, test data, procurement information, and even certain email communications qualify as CUI. The CUI Registry maintained by the National Archives provides comprehensive categories and subcategories of what constitutes CUI, but when in doubt, treat the information as controlled and protect it accordingly.
For Texas defense contractors working with JBSA, NAS Fort Worth JRB, Fort Bliss, Fort Cavazos, or any DOD facility, the assumption should be that DFARS applies unless your contracting officer explicitly confirms otherwise.
Step 2: Identify and Map Your CUI Data Flows
Before you can protect CUI, you need to know exactly where it lives, how it flows through your systems, and who has access to it. This step — often called “CUI scoping” — is critical because it defines the boundaries of your compliance assessment. A thorough CUI mapping exercise should identify all systems that process, store, or transmit CUI (servers, workstations, cloud services, email systems, file shares, backup systems), all network pathways that CUI traverses (internal networks, VPNs, internet connections, wireless networks), all personnel who access CUI (employees, contractors, vendors), all physical locations where CUI exists (offices, data centers, remote work environments), and all third parties who receive or could access your CUI (subcontractors, cloud providers, managed service providers).
The outcome of this step should be a comprehensive CUI data flow diagram that clearly shows every touchpoint. This diagram becomes the foundation for your System Security Plan and defines the assessment boundary for both DFARS compliance and future CMMC certification.
Step 3: Conduct a NIST 800-171 Gap Assessment
With your CUI scope defined, the next step is assessing your current implementation status against all 110 NIST SP 800-171 security controls. This gap assessment should evaluate each control across 14 control families: Access Control, Awareness and Training, Audit and Accountability, Configuration Management, Identification and Authentication, Incident Response, Maintenance, Media Protection, Personnel Security, Physical Protection, Risk Assessment, Security Assessment, System and Communications Protection, and System and Information Integrity.
For each control, document whether it is fully implemented, partially implemented, or not implemented. For controls that aren’t fully met, note the specific gap and what remediation is needed. CoreRecon’s NIST assessment service provides expert evaluation of each control with specific, actionable remediation recommendations — not generic checklist results, but detailed findings specific to your environment.
Step 4: Develop Your System Security Plan (SSP) and POA&M
Your System Security Plan is the foundational document that describes your organization’s cybersecurity posture. DFARS requires that you maintain a current SSP that documents how each of the 110 NIST 800-171 controls is implemented in your specific environment. A compliant SSP includes a description of your system boundaries and CUI scope, a detailed explanation of how each control is implemented (or why it’s not applicable), identification of responsible personnel for each security function, network diagrams and data flow documentation, and references to supporting policies, procedures, and technical configurations.
For any controls that aren’t fully implemented, you must create a Plan of Action and Milestones (POA&M) that documents the specific gap, the planned remediation actions, responsible personnel, target completion dates, and resource requirements. Your POA&M demonstrates to contracting officers and assessors that you’ve honestly identified your gaps and have a structured plan to close them.
A common mistake among Texas contractors is using generic SSP templates without customizing them to their actual environment. Assessors will quickly identify discrepancies between what your SSP claims and what actually exists in your infrastructure. CoreRecon creates custom SSPs based on thorough technical assessments of your actual systems, ensuring accuracy and credibility.
Step 5: Implement Security Controls and Remediate Gaps
This is the most resource-intensive step — actually implementing the security controls that your gap assessment identified as missing or incomplete. Remediation typically spans several categories:
Technical Controls: Deploying multi-factor authentication, implementing continuous security monitoring, configuring audit logging, establishing encrypted communications, hardening system configurations, deploying endpoint protection, and implementing dark web monitoring.
Administrative Controls: Creating or updating security policies, establishing access control procedures, developing incident response plans, implementing personnel security screening, and creating security awareness training programs.
Physical Controls: Securing physical access to CUI processing areas, implementing visitor controls, securing media storage, and establishing environmental protections for critical systems.
CoreRecon provides hands-on remediation support across all three categories. Our team deploys and configures technical controls, drafts compliant policies and procedures, and verifies that implemented controls actually work as documented. We don’t just hand you a report and walk away — we help you close every gap.
Step 6: Submit Your SPRS Score
Once you’ve assessed your compliance and begun remediation, you must calculate and submit your SPRS score to the DOD’s Supplier Performance Risk System. Your SPRS score (ranging from -203 to 110) reflects your current self-assessed compliance with NIST 800-171. This score is visible to contracting officers and directly impacts your contract competitiveness.
Your SPRS submission must include your overall score, the date of your assessment, and the date by which you plan to achieve full compliance (if not already at 110). Accuracy is critical — inflating your score risks False Claims Act liability, while an unnecessarily low score hurts your competitive position. CoreRecon ensures your SPRS score accurately reflects your true compliance posture.
Step 7: Establish Continuous Monitoring and Incident Reporting
DFARS compliance isn’t a one-time achievement — it’s an ongoing obligation. Step 7 establishes the processes and technologies needed to maintain compliance continuously. This includes deploying 24/7 security monitoring to detect threats and anomalies in real time, conducting regular penetration testing and vulnerability assessments, performing periodic security assessments to verify control effectiveness, maintaining audit logs and reviewing them regularly, updating your SSP and POA&M as your environment changes, and training employees on CUI handling and security awareness.
Perhaps most critically, DFARS requires that you report any cyber incident that affects CUI to the DOD within 72 hours through the DIBNet portal. This includes incidents involving actual or suspected compromise of CUI, malicious software on systems that process CUI, and other activities resulting in actual or potential adverse effects on CUI. Having a documented, tested incident response plan ensures your organization can meet this timeline.
Why Texas Defense Contractors Choose CoreRecon for DFARS Compliance
CoreRecon is a Service-Disabled Veteran-Owned Small Business (SDVOSB) with decades of military and defense industry cybersecurity experience. We don’t approach DFARS compliance as a paperwork exercise — we treat it as a mission-critical security program that protects both your DOD contracts and your organization from real cyber threats. Our team understands DFARS, NIST 800-171, CMMC, and the Texas defense landscape because we’ve lived in that world. From our headquarters at 500 N Shoreline Blvd, Suite 111, Corpus Christi, TX 78401, we serve defense contractors across San Antonio, Dallas-Fort Worth, Houston, Austin, El Paso, and all of Texas.
Frequently Asked Questions About DFARS Compliance
What happens if I’m not DFARS compliant?
Non-compliance can result in contract termination, False Claims Act liability (treble damages plus penalties per claim), suspension or debarment from future DOD contracts, and loss of CUI handling authorization. The consequences are severe and often business-ending for small contractors.
Do DFARS requirements apply to subcontractors?
Yes. DFARS 252.204-7012 flows down to all subcontractors at any tier who handle CUI. If a prime contractor passes CUI to your organization, you must meet the same DFARS requirements. Texas subcontractors working with primes like Lockheed Martin, BAE Systems, and L3Harris must verify their compliance.
How does DFARS relate to CMMC 2.0?
DFARS requires self-assessed compliance with NIST 800-171. CMMC 2.0 adds independent verification of that compliance through third-party assessment. Contractors who are genuinely DFARS-compliant have a strong foundation for CMMC Level 2 certification.
Can I use a cloud provider for CUI?
Yes, but the cloud service must meet FedRAMP Moderate baseline (or equivalent) security requirements per DFARS 252.204-7012. Not all cloud providers meet this standard. Microsoft GCC High, AWS GovCloud, and Google Cloud for Government are common compliant options.
How long does DFARS compliance take?
From initial assessment to full compliance typically takes 6-12 months depending on your starting point, organization size, and resource availability. CoreRecon accelerates this timeline through experienced assessment, efficient remediation, and documented processes.
What’s the 72-hour reporting requirement?
DFARS requires reporting any cyber incident involving CUI to the DOD within 72 hours through the DIBNet portal. This includes actual or suspected compromise, malicious software, and activities with potential adverse effects on CUI. Having a tested incident response plan is essential to meeting this timeline.
Start Your DFARS Compliance Journey
DFARS compliance protects your DOD contracts, strengthens your security posture, and positions your organization for CMMC certification. CoreRecon’s veteran-led team has the expertise to guide you through every step — from initial assessment to full compliance and continuous monitoring.
Call (800) 955-2596 or (361) 248-3258 for a free DFARS compliance consultation. Request a quote or contact us directly.