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Enforcing Device Compliance with Conditional Access and Intune

Your company wants to ensure that only managed and compliant devices can access Microsoft 365 resources. Which Microsoft 365 security feature enforces conditional access based on device compliance?

Quick Answer

Microsoft Intune paired with Conditional Access in Microsoft Entra ID is the combination that restricts Microsoft 365 access to managed, compliant devices only, because the two services divide the work of assessing and enforcing device health. Intune defines compliance policies covering requirements such as disk encryption, a minimum OS version, or the device not being jailbroken or rooted, and it continuously evaluates every enrolled device against those requirements, reporting each one as compliant or non-compliant. That compliance status on its own does not block anything, though — Conditional Access is what actually evaluates a sign-in attempt and checks the reported device compliance state before granting or denying access to a resource like Exchange Online or SharePoint. This assess-then-enforce pattern recurs throughout the exam whenever a scenario mentions restricting access based on device health or management status, and both Intune and Conditional Access typically need to be named together for the answer to be complete.

⚠ Common exam trap

Candidates often confuse Microsoft Defender for Cloud Apps (a CASB) with the device compliance enforcement mechanism, but Conditional Access with Intune is the specific feature that enforces access based on device compliance, not Defender for Cloud Apps.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Microsoft Intune with Conditional Access in Microsoft Entra ID

Microsoft Intune manages device compliance policies (e.g., requiring encryption, antivirus, or a minimum OS version), and when integrated with Conditional Access in Microsoft Entra ID (formerly Azure AD), it enforces access decisions based on the device's compliance status. This ensures only managed and compliant devices can access Microsoft 365 resources, blocking or granting limited access to non-compliant devices.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Microsoft Purview Compliance Manager

    Why it's wrong here

    Compliance Manager is for assessments, not enforcement.

  • Microsoft Defender for Cloud Apps

    Why it's wrong here

    Defender for Cloud Apps is a CASB, not device compliance.

  • Microsoft Sentinel

    Why it's wrong here

    Sentinel is a SIEM, not device management.

  • Microsoft Intune with Conditional Access in Microsoft Entra ID

    Why this is correct

    Intune provides device compliance, and Entra ID Conditional Access enforces it.

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Same concept, more angles

1 more way this is tested on MS-900

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A company wants to ensure that only managed and compliant devices can access corporate email in Microsoft 365. Which Microsoft Entra ID capability should they configure?

easy
  • A.Conditional Access
  • B.Microsoft Authenticator
  • C.Privileged Identity Management
  • D.Identity Protection

Why A: Conditional Access policies in Microsoft Entra ID can require devices to be compliant (e.g., via Intune) before granting access. Option B is incorrect because Microsoft Authenticator is an app for MFA, not device compliance. Option C is incorrect because Privileged Identity Management is for managing admin roles. Option D is incorrect because Identity Protection is for risk detection, not device compliance.

JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This MS-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-900 exam.