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Last reviewed: 1 Jun 2026

Microsoft Defender Experts for XDR

MDR · XDR

Microsoft Defender Experts for XDR is a Microsoft managed extended detection and response service for organizations running eligible Microsoft Defender and Entra products. After an alert, Microsoft experts triage and investigate the Defender XDR incident and, when the customer grants Security Operator access and the affected assets are in scope, can perform actions such as device isolation, file quarantine, app restriction, user disablement or email soft deletion. The buyer still owns licensing, active deployment, exclusions, access choices, non-Microsoft telemetry, remediation approvals and recovery.

What they do
Contain threats
Works with
Your stack
Built for
Mid-Market / Enterprise
Price
Sales-led Microsoft pricing with a 1,500-seat Suite minimum
Best for
Organizations standardized on Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Defender for Identity, Defender for Cloud Apps or Entra ID P2

They cover

  • Endpoints
  • Cloud Workloads
  • Identity & Access
  • Email
  • Network
  • SaaS Applications

Your team still owns

  • Licensing and actively deploying the eligible Defender and Entra products that define service coverage
  • Granting and maintaining the access level that determines whether Microsoft can act directly or only guide response
  • Setting excluded devices and users where Microsoft should not remediate directly
  • Remediating assets, products, incidents and business impacts outside Defender Experts scope
  • Confirming Suite versus XDR-only pricing, prerequisites, data residency and service terms before purchase

Pricing

Line Figure
Published price Sales-led Microsoft pricing with a 1,500-seat Suite minimum
Billing model Per-user, Custom
Contract Not published
Onboarding Not published

Tradeoffs

Works well

  • Strong fit for Microsoft-native security estates that already rely on Defender XDR workflows
  • Response ownership is configurable, from guided response to direct managed response on in-scope assets
  • Uses native Defender portal, Sentinel and Graph workflows instead of a separate MDR console
  • Public documentation is unusually specific about permissions, incident status changes and response actions

Watch out for

  • Coverage is limited to eligible Microsoft products and configured active-mode deployments
  • Direct response depends on access level, exclusions and supported incident scope
  • Microsoft does not publish a universal list price for Defender Experts for XDR
  • Not suitable as a vendor-neutral MDR for teams centered on non-Microsoft EDR or SIEM tooling

What buyers say

Alert noise

Not assessed

Transparency

Not assessed

Customers like

  • Strongest public fit signal is for teams already standardized on Microsoft security products
  • Microsoft customer stories emphasize reduced operational burden and closer alignment with Microsoft technology
  • Relevant G2 comments point to native integration as a practical advantage

Watch out for

  • Some visible G2 reviews appear unrelated to the managed XDR service
  • Setup, readiness and permission choices can be complex
  • Public independent review volume is thinner than for long-running MDR specialists

Reputation reads from public reviews, not vendor-published numbers.

Sources
G2 Defender Experts for XDR reviewsMicrosoft Defender Experts for XDR product page

Ask before buying

  1. Which Defender and Entra products are active enough for Microsoft to investigate and respond in our tenant?
  2. Which assets or users will be excluded from managed response, and who owns those actions?
  3. Are we buying Defender Experts for XDR, Defender Experts for Servers or Defender Experts Suite, and what seat minimum applies?

Integrations

Microsoft Defender XDRMicrosoft SentinelMicrosoft Defender for Endpoint P2AzureAWSGCPMicrosoft Defender for Office 365 P2Microsoft Defender for IdentityMicrosoft Defender for Cloud AppsMicrosoft Entra ID P2Microsoft Defender for Cloud with Defender Experts for ServersMicrosoft Graph security API

Editorial notes

Why contain threats

The response lane is Contain threats because Microsoft documentation says experts can take scoped managed response actions with Security Operator access, including device, file, app, user and email actions. The lane is still narrower than full SOC because direct action depends on permissions, exclusions and supported products.

Why not investigate only

Security Reader access would make the service advice-led, but Microsoft recommends Security Operator access and documents completed actions inside the managed response panel. The profile therefore should not be downgraded to only investigate and advise when the scoped service can execute containment.

Why not run the SOC

Defender Experts for XDR augments a SOC around Microsoft Defender XDR incidents. Buyers still own licensing, product deployment, readiness, access decisions, excluded assets, unsupported incident classes, remediation and recovery, so the evidence does not support full SOC replacement.

Platform boundary

Coverage is tied to eligible Microsoft products such as Defender for Endpoint, Office 365, Identity, Cloud Apps and Entra ID P2. The draft's broader Azure, AWS and GCP wording is kept only through Defender for Cloud and the Defender Experts for Servers add-on, not as generic cloud MDR coverage.

Review evidence

G2 has a small Defender Experts for XDR review page, but visible reviews include some off-topic Microsoft Office-style comments. Customer sentiment should stay cautious and focus on repeated themes such as Microsoft integration and setup complexity rather than treating review scores as proof.

Questions

Does Microsoft Defender Experts for XDR respond directly to threats?
It can, but only within the documented scope. With Security Operator access and no relevant exclusions, Microsoft experts can perform managed response actions such as isolating devices, quarantining files, restricting apps, disabling users and soft-deleting emails. With Security Reader access, passive deployments or excluded assets, the buyer receives actions to complete.
Which products does Defender Experts for XDR cover?
Microsoft documents coverage across eligible Microsoft Defender products such as Defender for Endpoint P2, Defender for Office 365 P2, Defender for Identity, Defender for Cloud Apps and Microsoft Entra ID P2. Defender for Cloud coverage is tied to the Defender Experts for Servers add-on, and Defender for IoT is outside the service scope.
Is Defender Experts for XDR a full SOC replacement?
No. It can reduce Microsoft Defender XDR alert triage, investigation, hunting and some response work, but buyers still own licenses, active deployments, access decisions, exclusions, unsupported incident types, remediation follow-through, recovery and broader security operations.