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CyberSheath CMMC Review: Role, Fit, Proof, and What to Verify Before You Buy
This CyberSheath CMMC review answers the question most defense contractors are actually asking: is CyberSheath the company that certifies me, or the company that gets me ready? Here’s the short version, before you scroll a single inch further.
CyberSheath is a Registered Provider Organization (RPO) — a Cyber AB–listed CMMC readiness, implementation, and managed-compliance firm — not a Certified Third-Party Assessor Organization (C3PAO). A C3PAO is the independent organization authorized to perform your official Cybersecurity Maturity Model Certification (CMMC) Level 2 assessment. CyberSheath cannot perform that assessment. A separate, independent C3PAO does.
CyberSheath is a strong fit if you handle Controlled Unclassified Information (CUI), need a Level 2 certification path, have thin internal IT or security capacity, and want one partner to own your environment and keep compliance current after assessment. It is a poor fit if all you need is an independent assessor to conduct your Level 2 certification, or if you’re looking for a narrow do-it-yourself software solution.
Here’s the part that trips people up, and the loop we’ll close below: plenty of contractors hire a “CMMC company” expecting one engagement that ends with a certificate. That is not how the program works, and assuming it does is how companies burn a six-figure budget and still aren’t ready. We’ll show you exactly what CyberSheath does, the public proof behind it, what it costs (and why nobody can hand you a clean number), who should walk away, and the seven things to verify before you sign.
CyberSheath at a glance (what we verified)
| Field | What we found | Evidence type |
|---|---|---|
| Provider category | CMMC readiness, implementation, managed IT/security, managed compliance, and CUI enclave | Company materials + third-party listings |
| Cyber AB role | Registered Provider Organization (RPO) — not a C3PAO | Verified: CMMC-AB RPO certification announcement (Dec 1, 2020) |
| Can it certify you? | No. RPOs deliver non-certified consulting; a separate C3PAO performs the Level 2 assessment | Primary: 32 CFR Part 170; Cyber AB Code of Professional Conduct |
| Flagship offering | "Federal Enclave" — managed Microsoft Azure GCC High / GCC environment that isolates CUI | Company-stated |
| Founded / HQ | 2012 / Reston, Virginia | Company materials |
| Leadership / ownership | Founder Eric Noonan moved to Strategic Advisor; Emil Sayegh appointed CEO Aug 2025; backed by BV Investment Partners | Verified: CyberSheath announcement (Aug 21, 2025); Lightview/BV sale (May 2024) |
| Industry presence | Runs CMMC CON, a free annual virtual conference, in its 7th year (Sept 23–24, 2026) | Company announcement (BusinessWire, June 2026) |
| Pricing | Not publicly published; fixed-price scopes after a scoping conversation | Company-stated |
| Compensation relationship with us | None as of June 9, 2026 | Editorial disclosure |
Straight talk before you read on
Most of CyberSheath’s outcome evidence is published by CyberSheath itself. We did not run a paid engagement, sit in on an assessment, or audit their client books. That’s the honest limit of any outside profile of a private company that doesn’t disclose its financials or full client roster.
Here’s why that should raiseyour confidence in this page, not lower it. Because we can’t lean on insider access, we did the work the vendor’s own marketing won’t do for you. We read the controlling regulation — the CMMC Program rule at 32 CFR Part 170, effective December 16, 2024. We confirmed CyberSheath’s Cyber AB role against the accreditation body’s own records. We separated what the company claims from what the rule requires. And we mapped each public case study to the assessing organization listed in that same case study.
Two things are true simultaneously and equally important:
- •CyberSheath is not your assessor.You will still pay a separate, independent C3PAO for the official Level 2 certification assessment. That’s not a knock on CyberSheath — it’s a federal design choice, and we’ll explain why it protects you.
- •CyberSheath does not publish prices.Anyone quoting you a CyberSheath “sticker price” online is guessing. Real numbers come from a scoped statement of work.
Not sure whether CyberSheath is even the right type of provider for your situation? Use our CMMC path finder — a few quick questions return your likely level, whether an enclave fits your CUI footprint, whether a managed RPO like CyberSheath is your lane or you need something else, and what to verify before you spend a dollar. Prefer to talk to CyberSheath directly? Their site is cybersheath.com — we don’t sit in the middle of that.
Is CyberSheath a C3PAO, or an RPO? (Can CyberSheath certify you for CMMC?)
CyberSheath is a Registered Provider Organization (RPO), not a C3PAO, so it cannot issue or perform your CMMC certification assessment. An RPO is a Cyber AB–listed firm authorized to provide non-certified CMMC consulting — readiness, implementation, and advisory work — under the Cyber AB Code of Professional Conduct. A C3PAO is the separately authorized organization that conducts the official CMMC Level 2 assessment. Under the CMMC Program rule at 32 CFR Part 170, those roles are structurally separate, and the code of conduct enforces it.
That single distinction is the most expensive thing contractors get wrong, so let’s make it concrete.
RPO vs. C3PAO vs. MSP/MSSP vs. software — who does what
| Role | What it does | What it does not do | What to verify |
|---|---|---|---|
| RPO (Registered Provider Organization) | Prepares, scopes, documents, and remediates; advisory and implementation | Cannot conduct the certified assessment | Current Cyber AB Marketplace listing; named Registered Practitioners |
| MSP / MSSP / managed compliance | Operates your IT, security, and compliance functions day to day | Does not transfer your legal responsibility to the vendor | A written shared-responsibility matrix |
| C3PAO (Certified Third-Party Assessor Organization) | Performs the official CMMC Level 2 assessment when a contract requires it | Cannot assess work it consulted on (conflict of interest) | Current Cyber AB authorization on your assessment date |
| GRC / evidence software | Organizes evidence, SSP and POA&M workflows | Does not implement the controls or fix your environment | Control mapping, exportability, assessor usability |
| CUI enclave provider | Isolates CUI to shrink your assessment scope | Not always enough when CUI is enterprise-wide | Whether the enclave actually contains all your CUI workflows |
Why your prep partner usually can’t also be your assessor
This isn’t bureaucratic trivia. The separation is the integrity mechanism of the entire program. If the company that wrote your System Security Plan (SSP) and your Plan of Action and Milestones (POA&M) could also grade your assessment, the grade would be worthless. So the Cyber AB Code of Professional Conduct draws a hard line: it bars a C3PAO — as an organization and through its individual practitioners — from assessing an organization it consulted on within the prior three years. This is why CyberSheath’s RPO role and the C3PAO role are structurally in different hands, and why that’s a feature, not a gap.
How CyberSheath actually handles assessments — and the proof it’s a separate party
CyberSheath’s own published case studies make the separation visible. In every public CMMC Level 2 success story we reviewed, a differentorganization performed the assessment — Cybersec Investments and Reef Systems appear repeatedly as the assessing party, and in January 2026 CyberSheath announced a partnership with ControlCase, an authorized C3PAO, specifically to address the assessor shortage. In other words, the evidence that CyberSheath is an RPO and not a C3PAO is sitting in CyberSheath’s own marketing.
What this means for you: when CyberSheath (or any RPO) tells you “we’ll get you certified,” hear it correctly. They mean we’ll get you ready and coordinate the assessment. The certificate comes from the assessor. Mechanically, the C3PAO performs the Level 2 certification assessment, submits the results into the CMMC instance of eMASS (the federal assessment system) for transmission to the Supplier Performance Risk System (SPRS — the database where your compliance status lives), and a Certificate of CMMC Status is issued once the status is confirmed in SPRS.
Confused about where readiness help ends and the formal assessment begins?
Get matched with source-checked provider options →What CyberSheath actually does for CMMC
CyberSheath organizes its CMMC work around three lanes — assess, implement, and manage — wrapped in managed IT and managed security, with a Microsoft-based “Federal Enclave” as its signature offering. The practical buyer question is not “what do they sell,” but “do I need someone to ownmy compliance operations long-term, or do I just need a narrower readiness and documentation engagement?” CyberSheath is built for the former.
CMMC Level 2 is identical to NIST SP 800-171 Revision 2 — 110 security requirements organized into 14 control families. (For context: Level 1 is the 15 basic safeguards in FAR 52.204-21 for Federal Contract Information; Level 3 layers 24 selected requirements from NIST SP 800-172, February 2021 edition, on top of the 110 and is assessed by the government’s own assessors, DCMA DIBCAC.) Implementing and maintaining110 requirements is a real operational lift, and that’s the job CyberSheath is organized to absorb.
| CyberSheath lane | What the company says it delivers | The CMMC job it solves | What to ask for in the statement of work |
|---|---|---|---|
| Assess | Gap assessment against the 110 NIST SP 800-171 Rev. 2 requirements | Knowing your real starting score and gap list | A written gap report mapped to each requirement — and a note that this is readiness, not the C3PAO assessment |
| Implement | Policies, procedures, technical controls, Microsoft tenant work, remediation, evidence | Closing gaps and building assessment-ready evidence | A control-ownership matrix and the specific artifacts you'll keep |
| Manage | Ongoing SSP/POA&M upkeep, monitoring, incident-response testing, training, audit support | Staying compliant between annual affirmations | What's recurring vs. one-time, and what happens if the assessor finds a gap |
| Federal Enclave | Managed Azure GCC High/GCC environment isolating CUI | Shrinking scope so your whole company isn't assessed | A scope diagram showing exactly which users and systems sit inside |
The “manage” lane is the real differentiator.
The Federal Enclave is a scope tool, not magic.
One tell we’ll credit CyberSheath for: its own content warns against “software-first” resellers who make their margin selling Microsoft GCC High licenses, which it argues can lead contractors to “overpay to under-comply.” That’s fair buyer education no matter who says it. A license is not compliance, and a tenant alone certifies nobody.
The proof: CyberSheath’s public CMMC Level 2 track record (and what it does and doesn’t prove)
CyberSheath has unusually visible public case evidence for a CMMC provider — multiple named contractors reporting successful Level 2 outcomes, each assessed by a separate, named organization. That’s strong, attributable proof that CyberSheath has helped real companies reach certification. It is not proof that every client passes, that your scope will look like theirs, or that a perfect score is typical. Read it as a starting point, then ask for references that match your size and environment.
Below is the case matrix we assembled from CyberSheath’s published case studies and press releases. The recurring pattern is the point: in each one, a separate organization performed the assessment— the RPO/C3PAO separation, demonstrated in the wild.
| Public case | Scope pattern | Assessing organization | Public outcome | What it shows |
|---|---|---|---|---|
| DMI | Federal Enclave; limited CUI in internal IT | Reef Systems | Company-stated perfect 110; assessment began April 1, 2025 and reportedly concluded within about a week, certificate issued roughly two months later | The scoped-enclave path can move fast |
| Barge Design Solutions | 650+ person employee-owned firm; hybrid digital CUI in Microsoft GCC (Azure Virtual Desktop) plus physical CUI controls | Cybersec Investments | Company-stated perfect 110 | A model for engineering/architecture firms with mixed digital and physical CUI |
| Kampi Components | ~65 employees; 36,000-sq-ft facility; GCC High; physical security; prior service-provider cleanup; under 30 days to assessment | Cybersec Investments | Company-stated perfect 110 | Relevant for small manufacturers untangling prior MSPs |
| Spirit Electronics | Small organization; enterprise-wide GCC High migration instead of an enclave | Cybersec Investments | Company-stated perfect 110 | Proof the enclave isn't always the answer |
| CIS Secure | Multiple business units; network re-architecture and end-to-end managed services | Cybersec Investments | Company-stated perfect 110 (BusinessWire, Oct 2025) | A strong managed-services story |
| CyberSheath (itself) | Its own Level 2 as a service provider | Cybersec Investments | Company-stated perfect 110 | Relevant — but still company-announced |
Who CyberSheath fits — and who should choose a different path
CyberSheath fits contractors that need operational CMMC help, not just advice: companies handling CUI, on a Level 2 path, with weak internal IT/security, facing a Microsoft GCC/GCC High decision, or needing someone to keep compliance current after certification. It’s a weaker fit for assessment-only buyers, do-it-yourself teams on a tight budget, software-only shoppers, or mature security organizations that need a narrow review. The strongest version of this advice is the part most vendors won’t say: if you’re in the second group, don’t hire an RPO like CyberSheath — here’s where to go instead.
Best-fit profiles
| Your situation | CyberSheath fit | Why |
|---|---|---|
| You handle CUI, need Level 2, and have thin internal IT/security | High | Managed IT, security, and compliance offload the work you can't staff |
| You're moving off Microsoft 365 Commercial and need a GCC/GCC High or enclave decision | High | CyberSheath has done these migrations and publishes detailed guidance |
| Only a small slice of your business touches CUI | High — if an enclave fits | The Federal Enclave isolates CUI and shrinks your assessment scope |
| CUI runs across your whole enterprise | Medium–High | Enterprise managed compliance can fit, but verify scope and cost carefully |
| You're assessment-ready with no remediation needed | Medium–Low | Your real need is a C3PAO; readiness help is largely behind you |
| You handle only FCI (Level 1) | Low–Medium | A full managed program is likely more than a 15-requirement self-assessment needs |
The honest disqualifier — where to go instead
If any of these is you, save yourself a sales cycle:
- •“We only need the official assessment.” You need an authorized C3PAO, not an RPO. Compare C3PAOs directly and confirm current authorization on the Cyber AB Marketplace. (Start with our C3PAO directory guide.)
- •“We’ve implemented everything and just need to organize evidence.” Look at GRC/evidence software — the workflow layer — not a full managed program.
- •“We have no CUI, only FCI.” Start with a Level 1 self-assessment path and a readiness checklist; a managed enclave is overkill.
- •“We have a capable internal team and want a second opinion.” A lighter RPO or a fractional vCISO readiness review will cost far less than a managed-operations engagement.
- •“We need secure collaboration but not managed IT.” A CUI enclave or secure-collaboration product may cover you without the full wrap.
Think CyberSheath might not be your fit?
Compare provider categories →How much does CyberSheath cost?
CyberSheath does not publish a price sheet for CMMC readiness or managed compliance, and you should be skeptical of anyone online who claims to know one. Cost depends on your CUI scope, your current maturity, your Microsoft environment, your user count, how much remediation you need, how much you outsource long-term, and whether the separate C3PAO assessment fee is included or billed apart. The company’s own position is that “ballpark” pricing isn’t actionable, and that it produces a fixed-price scope after a scoping conversation. We’d add: that’s reasonable, and it’s exactly why you compare scopes, not stickers.
A 20-person shop with CUI confined to an enclave is a fundamentally different project than a multi-site manufacturer with CUI scattered across the enterprise and physical documents in play. The variables below are what actually move the number.
What drives an RPO’s price
| Cost driver | Why it changes the price |
|---|---|
| CUI scope | More systems and users in scope means more controls to implement and more evidence to maintain |
| Current Microsoft environment | Commercial vs. GCC vs. GCC High changes the migration effort dramatically |
| Enclave vs. enterprise | An enclave can slash scope; an enterprise rebuild costs more but is sometimes necessary |
| Existing documentation | Missing or weak SSP/POA&M work adds hours |
| Internal IT maturity | The thinner your team, the more managed support you'll buy |
| Remediation load | The further from the 110 requirements you start, the bigger the build |
| The separate C3PAO assessment | Budget for it as its own line item — it is not the RPO's fee |
The scoped-quote checklist — use this with any provider
Don’t accept a single blended number. Ask CyberSheath or any competitor to break out, in writing:
- •One-time implementation cost
- •Recurring monthly managed-service cost
- •License costs, and which are excluded
- •The separate C3PAO assessment fee, if not included
- •Stated assumptions and explicit exclusions
- •A timeline to assessment-readiness
- •The internal staff time you'll have to contribute
- •The specific evidence deliverables you'll own
- •A scope diagram showing exactly what's in and out
Want apples-to-apples scoped quotes instead of one vendor’s number?
Get matched and request scoped quotes →GCC, GCC High, or Federal Enclave? How to make the environment decision
The Microsoft environment decision should be driven by what your contracts and your data actually require — not by a reflex to buy the highest tier. CyberSheath publishes guidance on Microsoft GCC, GCC High, and its Federal Enclave, and the honest version (which the company itself echoes) is that “buy GCC High” is not automatically right. The right answer depends on whether you handle CUI, whether export-controlled (ITAR) data is involved, how many users touch CUI, and whether isolating CUI in an enclave beats rebuilding your whole environment.
Here’s the decision the way a CISO or IT director should run it. Start with scope, not tools.
Limited CUI users + a separable workflow
Enterprise-wide CUI + a small, simple organization
Both digital and physical CUI
Unclear CUI footprint
How CyberSheath compares to alternatives
Compare CyberSheath by category first, then by name. The real decision is whether you need managed readiness and implementation (RPO/MSP/MSSP), CUI isolation (enclave), evidence workflow (GRC software), or the formal assessment (C3PAO). CyberSheath competes primarily in the first category, with a strong enclave offering in the second. Software and assessment are different lanes, and the most expensive mistakes happen when buyers confuse them.
| Category | Providers to research | Best for | Cyber AB status to verify | The biggest risk |
|---|---|---|---|---|
| Readiness / MSP / MSSP / managed compliance | CyberSheath, C3 Integrated Solutions, CorpInfoTech, Summit 7, OSIbeyond | Implementation plus long-term operations | RPO listing (consulting role) | Buying before your scope is clear |
| CUI enclave / secure collaboration | PreVeil, FutureFeed, Tesseract by Ardalyst | Reducing CUI scope; securing email/file sharing | Product fit; no Cyber AB authorization exists for software itself | Assuming software alone equals compliance |
| GRC / evidence software | Vanta, Drata, Secureframe, Totem, Hyperproof | Organizing evidence and SSP/POA&M workflow | Control mapping and assessor usability, not a Cyber AB badge | Tool sprawl without real implementation |
| C3PAO / formal assessment | Fortreum, Redspin, Coalfire Federal, A-LIGN, Schellman | The official Level 2 certification assessment | Current C3PAO authorization on the Cyber AB Marketplace | Engaging before you're actually ready |
CyberSheath vs. a C3PAO
CyberSheath vs. software-only tools
CyberSheath vs. an enclave-only product
Ready to see what a Level 2 readiness program actually involves before you choose a category?
See what a Level 2 readiness program involves →CyberSheath and your CMMC timeline: do you have time?
CMMC is rolling out in phases under 32 CFR Part 170 and DFARS clause 252.204-7021, and the assessor math is why “start now” is real advice, not a sales tactic. Phase 1 began November 10, 2025. Phase 2 — when the Level 2 third-party (C3PAO) requirement arrives for most applicable contracts — begins November 10, 2026. With far more companies needing assessments than there are authorized C3PAOs to perform them, the readiness work you start today is what protects your eligibility tomorrow.
| Phase | Date | What changes |
|---|---|---|
| CMMC Program rule (32 CFR Part 170) | Effective Dec 16, 2024 | The CMMC framework becomes law — levels, assessment types, roles |
| DFARS rule (252.204-7021) / Phase 1 | Began Nov 10, 2025 (runs through Nov 9, 2026) | CMMC requirements begin appearing in solicitations; Level 1 and Level 2 self-assessment requirements can be a condition of award |
| Phase 2 | Begins Nov 10, 2026 | DoD intends to include CMMC Status of Level 2 (C3PAO) for applicable solicitations and contracts as a condition of award |
| Phase 3 | Begins Nov 10, 2027 | Level 3 (DIBCAC) requirements phase in |
| Phase 4 (full implementation) | Begins Nov 10, 2028 | DoD intends to include CMMC requirements in all applicable solicitations and contracts, including option periods |
C3PAO capacity snapshot — verified June 9, 2026
DoD’s own regulatory analysis for the CMMC rule estimated that roughly 35% of the defense industrial base will require a Level 2 (C3PAO) assessment, and about 2% a Level 2 self-assessment. Tens of thousands of companies, about a hundred assessors, one hard deadline. That backlog is exactly why readiness providers like CyberSheath frame the message as “don’t fail your first assessment” — and why booking an assessment slot is becoming its own bottleneck. If you’re targeting a contract that will require Level 2 (C3PAO), the sequence that protects you is readiness now, environment in place, assessment booked early.
Behind on the Phase 2 clock and not sure who can move fast enough?
Get matched with provider options that fit your timeline →What to verify before you hire CyberSheath
Before you sign with CyberSheath — or any provider — verify its current Cyber AB Marketplace status, the exact role it’s playing in your engagement, who performs the C3PAO assessment, what’s in scope, who owns each control, and what you keep if you leave. A credible provider answers all of this without blurring readiness, managed services, and formal assessment. This is the buyer’s checklist we’d hand a CISO or contracts officer walking into a vendor call.
1. Cyber AB status — capture it, don’t assume it.
2. Scope and control ownership.
3. The C3PAO handoff.
4. Evidence and documentation you’ll own.
5. Pricing and contract structure.
CyberSheath CMMC review: the bottom line — should CyberSheath make your shortlist?
Yes — shortlist CyberSheath if you need a serious Level 2 readiness, implementation, managed-compliance, Microsoft environment, or CUI enclave partner, and you’re prepared to verify scope, role, pricing, current Cyber AB status, and the C3PAO handoff. Don’t treat it as a substitute for the authorized C3PAO assessment, because it isn’t one. As a Registered Provider Organization with a decade-plus in the defense industrial base, a deep Microsoft and enclave practice, and unusually public Level 2 case evidence, CyberSheath is a legitimate contender for the readiness-and-operations job. The work that’s left is matching its category to your actual need.
| Your decision | Our recommendation |
|---|---|
| Need implementation and ongoing managed compliance | Shortlist CyberSheath |
| Need Microsoft GCC/GCC High or enclave help | Shortlist CyberSheath |
| Need only the formal C3PAO assessment | Compare authorized C3PAOs instead |
| Want a low-cost DIY path | Start with a readiness checklist and tooling |
| Not sure what you actually need | Use neutral, source-checked provider-category matching |
Need help deciding what type of CMMC provider you need?
Get matched →Frequently asked questions
Is CyberSheath an RPO?
Is CyberSheath a C3PAO?
Can CyberSheath certify my company for CMMC Level 2?
Which C3PAOs does CyberSheath work with?
Does CyberSheath offer a CUI enclave?
How much does CyberSheath cost?
Is GCC High required for CMMC?
Does a CyberSheath "perfect 110" case study mean my company will pass?
What should I verify before hiring CyberSheath?
How we produced this profile
We built this as a public-source provider profile — not a hidden ranking and not a hands-on engagement. Here’s exactly what we did and didn’t verify, so you can weigh it yourself.
What we verified:
What still needs your verification before you act:
How we label claims:
Primary and authoritative sources
Related guides
- RPO vs. C3PAO: Who to Hire First for CMMC
- CMMC Provider Categories: MSP vs. C3PAO vs. Enclave vs. Software
- Authorized C3PAO Directory: Find and Vet an Assessor
- CMMC Readiness Checklist (Control-Mapped, Free)
- CMMC Level 2 Cost Breakdown: What You’ll Actually Pay
- GCC High and CMMC: Do You Actually Need It?
- What Is CUI? Plain-English Guide for Defense Contractors