The Enclave
vs GCC High
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The Enclave vs GCC High

GCC High still leaves you a to-do list.

Microsoft GCC High gives you compliant licenses. Everything around them is still your job. Here is that list, and what happens to each item when the work lives in the KeyOwner Enclave instead.

81/110
Handled for you with KeyOwnerNIST SP 800-171 requirements KeyOwner takes on outright. We share another 22, and 7 are yours alone.
52/110
Handled for you with GCC HighRequirements inherited from Microsoft, on any license. The other 58 you configure, run and prove.
With GCC High, you still have to…
With KeyOwner

Devices and network

Lock down every laptop and desktopThey open CUI, so they are in scope: encrypt, harden, patch, monitor and document each one.
Not neededLaptops only show the enclave screen
Manage or block every phone and tabletOutlook, Teams and OneDrive put CUI on the device.
Not neededNo CUI reaches them
Harden and log the firewall, router and Wi-FiThey protect the laptops that hold CUI, so they fall in scope too.
Not neededThey only pass encrypted traffic
Secure every remote worker's setupEach laptop has to be safe on any home network, and you document how.
Not neededSame reason, anywhere
Separate or account for every other office computerAnything sharing a network with CUI laptops is listed and risk-managed.
Not neededNothing on site holds CUI

Building and running it

Build a file share for CAD and ERP dataEngineering software expects drive letters; OneDrive is not a file server.
IncludedFile server, normal drive letters
Find and pay for compliant backupA backup of CUI needs its own FedRAMP Moderate provider.
IncludedWith an off-site copy
Configure the security tools and watch the alertsMicrosoft supplies the tools. Setting them up and reviewing them is on you.
We do itConfigured and monitored
Write the system security planCovering every device, network and setting above.
Drafted for youWritten around the enclave
Assign someone to run all of this, every monthPatching, reviews, evidence and updates do not stop after setup.
We run itOne provider, one bill

Straight talk

Printers and machine tools stay in scope either way. With KeyOwner they sit on a small separate network that we connect and manage.

Some things only you can do. Screening and training your people, controlling who walks in, and keeping CUI inside the enclave.

GCC High includes email and Teams. With KeyOwner you keep your current email for everyday mail, and CUI moves through the enclave.

Book a 30-minute call We will walk through this list against your own setup.

GCC High list assumes CUI is opened on company laptops through OneDrive. Figures: Microsoft Product Placemat for CMMC 2.0, June 2025; KeyOwner Customer Responsibility Matrix. KeyOwner is not affiliated with Microsoft.

A managed CUI enclave that works alongside your IT team

You stay in charge. We run the CUI enclave, designed to support NIST SP 800-171 and CMMC requirements.
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  • Managed CUI enclave
  • Dedicated tenant environment
  • Evidence for assessments

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