CUI Compliant

0 NIST 800-171 gaps detected. FedRAMP High authorized as part of Azure Government. Cloud-native SIEM/SOAR. Natural choice for M365 GCC High customers.

Cybersecurity

Microsoft Sentinel

by Microsoft

FedRAMP AuthorizedHigh Impact

FedRAMP Status

FedRAMP Authorized

Impact Level

High

Category

Cybersecurity

Authorized: April 29, 2020

Overview

Microsoft Sentinel is a cloud-native SIEM/SOAR platform available in Azure Government with FedRAMP High authorization. It integrates natively with M365 GCC High and Azure Government services, making it the natural SIEM choice for contractors already in the Microsoft government ecosystem.

CUI Risk Assessment

FedRAMP High authorized as part of Azure Government. Cloud-native SIEM/SOAR. Natural choice for M365 GCC High customers.

Deployment & Architecture

Deployment Model: Government Cloud (FedRAMP boundary)

Microsoft Sentinel operates within a FedRAMP-authorized boundary. CUI can be processed within the authorization scope, but contractors must verify their specific use case falls within the system's security boundary as documented in the SSP.

Configuration Checklist

  1. 1ISSO must verify Azure Government tenant isolation and update SSP Section 10 to include Microsoft Sentinel within the authorization boundary per NIST 800-171 CM-2.
  2. 2System administrator shall configure Sentinel data retention policies to meet DFARS 252.204-7012 three-year CUI retention requirements and document in POA&M AU-11 implementation.
  3. 3ISSO must establish data classification playbooks ensuring CUI markings are preserved in security incidents per NIST 800-171 MP-3 requirements.
  4. 4System administrator shall implement encrypted log forwarding from on-premises CUI systems using TLS 1.2 minimum per SC-8 requirements.
  5. 5Security team must configure custom detection rules for CMMC Level 2 monitoring requirements including privileged access and CUI access patterns.
  6. 6ISSO shall validate all third-party connector integrations maintain FedRAMP boundary integrity and update authorization boundary diagram accordingly.
  7. 7Administrator must configure role-based access controls aligning with principle of least privilege per AC-6 and document in access control matrix.
  8. 8Security team shall establish incident response playbooks specific to CUI spillage scenarios and coordinate with contracts officer for breach notification procedures per DFARS 252.204-7012.

Frequently Asked Questions

Is Microsoft Sentinel available in GCC High?

Yes. Microsoft Sentinel is available in Azure Government with FedRAMP High authorization.

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This Microsoft Sentinel CUI review flags the gaps. The next step is a compliance architecture review where we map your data flows to FedRAMP-authorized alternatives and CMMC-aligned controls.

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Related: how much CMMC certification costs — DoD’s own priced figures