Managed IT for DoD Contractors: What It Includes, What It Costs, and How to Choose the Right MSP

By Ken Satkunam, CISM  ·  President & Founder, NorthStar Technology Group

March 2026  ·  11 min read

 

CMMC Phase 1 is active. Requirements are appearing in DoD contracts right now. And defense contractors across the country are asking the same question: do I need a specialized managed IT provider, and what should that actually look like?

The answer matters more than most contractors realize. The wrong MSP will leave you with a compliance gap you won't discover until your C3PAO assessor is on-site. The right one becomes an extension of your compliance program.

This article answers the questions we hear most often from defense contractors evaluating managed IT and cybersecurity support.

 

Do DoD contractors need a specialized managed IT provider?

Not necessarily specialized in the sense of DoD-only. But yes, you need an MSP that understands the CMMC framework, NIST SP 800-171, DFARS clause 252.204-7012, and what "handling CUI" actually requires at the technical level.

Most general-purpose MSPs are built around commercial IT support: help desk, device management, Microsoft 365 administration, basic security tooling. That's not wrong. It's just insufficient for a defense contractor environment where:

• Your systems must be scoped, documented, and controlled to satisfy 110 NIST controls (Level 2)
• Your SSP must accurately reflect how every control is implemented in your specific environment
• Your IT provider's access and practices are part of your security boundary and must be documented
• Any breach involving CUI triggers mandatory reporting obligations under DFARS 252.204-7012 within 72 hours

If your MSP doesn't know what a System Security Plan is, or has never helped a client through a CMMC gap assessment, they're not equipped for this environment. That's not a criticism of general MSPs. It's a scoping problem.

 

What does managed IT for DoD contractors actually include?

A CMMC-ready managed IT engagement covers significantly more than standard commercial support. Here's what it should include:

Core IT support

• Help desk support for all users
• Device management for endpoints, servers, and mobile devices
• Microsoft 365 or Google Workspace administration
• Network infrastructure management
• Vendor coordination and escalation

CMMC-specific cybersecurity controls

• Multi-factor authentication on all systems that access CUI (control 3.5.3)
• Endpoint detection and response (EDR/MDR) with behavioral analysis
• Privileged access management and least-privilege enforcement
• Audit logging with protected, off-system log storage
• Patch management within defined windows (typically 30 days for critical patches)
• Configuration management and change control documentation
• Network segmentation to isolate CUI environments

Compliance documentation and program support

• System Security Plan (SSP) development and maintenance
• Plan of Action and Milestones (POA&M) tracking
• SPRS score calculation and submission support
• Gap assessment against Level 1 (17 practices) or Level 2 (110 practices)
• Evidence collection and organization for C3PAO assessment
• Incident response plan development and tabletop exercises

Ongoing monitoring and reporting

• 24/7 security monitoring with healthcare and defense-specific threat intelligence
• Monthly or quarterly compliance posture reporting
• DFARS 252.204-7012 incident reporting support (72-hour notification)
• Annual review of controls against any CMMC framework updates

 

What does managed IT cost for a DoD contractor?

Pricing depends on headcount, complexity of the CUI environment, number of locations, and the maturity of your existing security posture. General benchmarks for small to mid-size defense contractors:

• Level 1 contractors (FCI only, 1-25 users): $1,500 to $4,000 per month for core IT support plus basic compliance controls
• Level 2 contractors (CUI, 10-50 users): $4,000 to $12,000 per month for full managed IT, cybersecurity stack, and compliance program support
• Level 2 contractors with complex environments (50+ users, multiple locations, Microsoft GCC High migration required): $12,000 to $25,000+ per month

SSP development, gap assessments, and C3PAO readiness preparation are typically scoped as project work on top of the monthly managed service agreement. A gap assessment for a Level 2 environment typically runs $5,000 to $15,000 depending on scope and complexity.

One cost that many contractors don't factor in: if you're currently using commercial Microsoft 365 and handling CUI, migration to GCC or GCC High is required. That migration is a one-time project cost separate from your ongoing managed IT spend.

 

What is GCC High and do DoD contractors need it?

Microsoft 365 Government Community Cloud High (GCC High) is a cloud environment specifically authorized for CUI and ITAR-controlled data. It meets the requirements of DFARS 252.204-7012 for cloud storage and processing of covered defense information.

Standard commercial Microsoft 365 is not authorized for CUI. If your organization handles CUI and stores or processes it in commercial M365, you're out of compliance with your DFARS obligations, regardless of any other controls you have in place.

The determination of whether you need GCC or GCC High depends on your contract type and data classification:

• GCC: Meets FedRAMP Moderate. Appropriate for some federal contractors. Not authorized for ITAR-controlled data.
• GCC High: Meets FedRAMP High, ITAR, DFARS, and CMMC requirements. Required for contractors handling export-controlled or ITAR data.

Migration from commercial M365 to GCC High is not a simple tenant switch. It involves mailbox migration, SharePoint data migration, Azure AD reconfiguration, and validation that all integrations still function in the government cloud environment. A well-managed migration takes 4 to 8 weeks for a 25-to-50-user organization.

 

What is an SPRS score and who needs to submit one?

Every DoD contractor that handles CUI must calculate a NIST SP 800-171 self-assessment score and submit it to the Supplier Performance Risk System (SPRS). A perfect score is 110 points. Each unimplemented control reduces the score, with high-priority controls weighted more heavily.

SPRS scores are visible to contracting officers before contract award. A missing or low SPRS score can disqualify your organization from contract consideration before the evaluation even begins.

Under CMMC Phase 1, which is active through November 2026, the requirement is to submit a self-assessment score along with an affirmation statement. Phase 2 introduces third-party C3PAO assessments for Level 2 contractors handling the most sensitive CUI.

Calculating an accurate SPRS score requires a documented review of all 110 NIST 800-171 controls against your actual environment. It's not a checkbox exercise. An inaccurate score that overstates your compliance posture is a liability: contractors have faced contract termination and False Claims Act exposure for submitting inflated SPRS scores.

 

How do you evaluate an MSP for CMMC readiness?

The questions to ask any managed IT provider before engaging them for a CMMC environment:

• Have you supported clients through a CMMC gap assessment? General cybersecurity experience is not the same as CMMC-specific program support.
• Have you developed System Security Plans? SSP development requires detailed knowledge of how each NIST control maps to specific technical configurations in your environment.
• Do you support SPRS score calculation and submission? An MSP that hasn't done this before will be learning on your timeline.
• Can you handle GCC High migration if required? Not every MSP has done this. It requires Microsoft CSP certification and specific migration tooling.
• What does your incident response process look like for a DFARS 252.204-7012 reportable incident? The 72-hour reporting obligation requires a pre-defined process, not improvisation.
• Are you a Registered Provider Organization (RPO)? RPOs have been trained by the CMMC Accreditation Body. It's not a requirement, but it signals investment in the framework.
• Do you carry your own cybersecurity insurance and what are your SOC 2 controls? Your MSP is a business associate with access to your systems. Their security posture is part of your security posture.

 

What happens if a DoD contractor uses a non-compliant MSP?

Two risks that are often underestimated:

Assessment failure. If your C3PAO assessor finds that your MSP has privileged access to your environment but isn't documented in your SSP, or that your MSP's tools and processes introduce security gaps, those findings reduce your assessment score. Remediation during an active assessment is expensive and disruptive.

Incident liability. If a breach occurs and your MSP's access or practices were a contributing factor, your DFARS reporting obligations are still triggered. If controls that were represented as implemented in your SPRS submission were not actually implemented because your MSP hadn't configured them, you're exposed to contract action and potential False Claims Act liability.

The MSP you choose becomes part of your compliance program. Their access is scoped in your SSP. Their configurations are evidence for your assessment. Their incident response process is your incident response process.

 

What should DoD contractors do right now?

The specific steps depend on where you are in the process, but the sequence is consistent:

1. Determine your CMMC level requirement. Check your current and upcoming contracts for CMMC language. If you handle CUI, assume Level 2.
2. Calculate an honest SPRS score. If you haven't done this, or if your score was calculated without a full technical review, start here. An inaccurate score is a liability.
3. Conduct a gap assessment. Understand specifically which of the 110 controls you have implemented, which are partially implemented, and which are not implemented. The gap assessment produces your POA&M.
4. Evaluate your current IT provider. If your MSP doesn't have CMMC experience, you need to either find one that does or bring in a compliance-focused partner alongside them.
5. Address your cloud environment. If you're using commercial M365 for CUI, resolve the GCC High question before your next assessment cycle.
6. Build or update your SSP. A current, accurate SSP is the foundation of your assessment. It must reflect your actual technical environment, not an aspirational one.

 

The contractors who start this work now will have a documented compliance posture and a functional relationship with a CMMC-ready MSP before the Phase 2 assessment requirements expand. The ones who wait will be compressing 12 months of work into 3.

 

Find out where you stand before your assessor does

Run a free security assessment at northstartechnologygroup.com/security-check • 866-337-9096

 

ABOUT THE AUTHOR

Ken Satkunam, CISM
President & Founder, NorthStar Technology Group

Ken has spent over 25 years in IT leadership, serving regulated organizations from healthcare to defense. He founded NorthStar Technology Group in 2000 and holds the CISM credential from ISACA. NorthStar has been recognized on the Inc. 5000 list in 2024 (#3837) and 2025 (#2393). Ken is the co-author of the Amazon best-seller Cyber Attack Prevention.

CISM • Inc. 5000 • MSP 500 • Published Author • 25+ Years