- A
Microsoft Defender for Office 365
Why wrong: Defender for Office 365 protects email, Teams, and SharePoint from threats like phishing and malware. It does not provide real-time session control for third-party cloud apps like Salesforce or Box.
- B
Microsoft Defender for Cloud Apps
Defender for Cloud Apps can enforce session policies via Conditional Access App Control, allowing granular control over actions like download, upload, and copy based on user, device, and data sensitivity.
- C
Microsoft Defender for Identity
Why wrong: Defender for Identity monitors on-premises Active Directory for identity-based attacks such as lateral movement and privilege escalation. It does not provide session control for cloud apps.
- D
Microsoft Defender for Endpoint
Why wrong: Defender for Endpoint protects endpoints (workstations, servers) from malware and advanced threats. It does not offer real-time session control for SaaS applications.
Quick Answer
The answer is Microsoft Defender for Cloud Apps, specifically its Conditional Access App Control feature, which provides the real-time session monitoring and control needed to block downloads from unmanaged devices while allowing read-only access. This solution works by intercepting user sessions to sanctioned cloud apps like Salesforce and Box, inspecting device compliance signals, and dynamically enforcing policies—such as preventing file downloads or restricting sensitive data access—without disrupting the user’s ability to view content. On the SC-900 exam, this scenario tests your understanding of how Microsoft’s security solutions map to specific use cases, often appearing as a scenario-based question where you must distinguish Defender for Cloud Apps from tools like Microsoft Intune or Azure AD Conditional Access. A common trap is choosing Intune for device management, but remember that session-level control for unmanaged devices is the hallmark of Defender for Cloud Apps. Memory tip: think “session control stops the download, not the device.”
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses Microsoft 365 and sanctioned cloud apps like Salesforce and Box. The security team wants to prevent users from downloading sensitive documents from these apps when accessing from unmanaged personal devices, while still allowing read-only access. They need real-time session monitoring and control. Which Microsoft security solution should they use?
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 Defender for Cloud Apps
Microsoft Defender for Cloud Apps provides real-time session monitoring and control via its Conditional Access App Control feature. This allows administrators to enforce policies that block downloads or restrict access to sensitive data based on device compliance, such as blocking downloads from unmanaged personal devices while permitting read-only access. The solution integrates with sanctioned cloud apps like Salesforce and Box to apply these controls at the session level.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 Defender for Office 365
Why it's wrong here
Defender for Office 365 protects email, Teams, and SharePoint from threats like phishing and malware. It does not provide real-time session control for third-party cloud apps like Salesforce or Box.
- ✓
Microsoft Defender for Cloud Apps
Why this is correct
Defender for Cloud Apps can enforce session policies via Conditional Access App Control, allowing granular control over actions like download, upload, and copy based on user, device, and data sensitivity.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Defender for Identity
Why it's wrong here
Defender for Identity monitors on-premises Active Directory for identity-based attacks such as lateral movement and privilege escalation. It does not provide session control for cloud apps.
- ✗
Microsoft Defender for Endpoint
Why it's wrong here
Defender for Endpoint protects endpoints (workstations, servers) from malware and advanced threats. It does not offer real-time session control for SaaS applications.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Defender for Cloud Apps with Microsoft Defender for Office 365, assuming that Office 365 covers all cloud app security, but Defender for Office 365 is limited to Microsoft 365 services and cannot enforce session policies on third-party SaaS apps like Salesforce or Box.
Detailed technical explanation
How to think about this question
Conditional Access App Control works by proxying user traffic through Microsoft Defender for Cloud Apps, allowing it to inspect and control HTTP requests and responses in real time. Policies can be configured to monitor session activities (e.g., download attempts) and apply actions like blocking, allowing, or limiting access based on device tags (e.g., compliant, unmanaged). In a real-world scenario, a user on an unmanaged personal device attempting to download a sensitive file from Salesforce would have the request intercepted, and the policy could either block the download or replace the file with a read-only version.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Defender for Cloud Apps — Microsoft Defender for Cloud Apps provides real-time session monitoring and control via its Conditional Access App Control feature. This allows administrators to enforce policies that block downloads or restrict access to sensitive data based on device compliance, such as blocking downloads from unmanaged personal devices while permitting read-only access. The solution integrates with sanctioned cloud apps like Salesforce and Box to apply these controls at the session level.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Same concept, more angles
3 more ways this is tested on SC-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. Your organization is deploying Microsoft Defender for Cloud Apps to protect against cloud app threats. You need to ensure that users are prompted for authentication when accessing a sanctioned cloud app from an unmanaged device. Which policy type should you configure?
medium- A.Activity policy
- B.Access policy
- C.Anomaly detection policy
- ✓ D.Session policy
Why D: Option B is correct because session policies (now called app session policies in Defender for Cloud Apps) allow you to monitor and control user sessions in real-time, including requiring authentication for access from unmanaged devices. Option A is wrong because access policies control access based on conditions but do not provide session-level control. Option C is wrong because activity policies trigger alerts and actions based on activities but not session-level authentication. Option D is wrong because anomaly detection policies detect suspicious behavior but do not enforce access controls.
Variation 2. Your organization uses Microsoft Defender for Cloud Apps to monitor cloud app usage. You discover that a user is accessing a sanctioned app from an unmanaged device. You need to ensure that when users access this app from unmanaged devices, they are prompted for additional authentication and their session is monitored. What should you configure?
medium- A.Enable Microsoft Entra ID Identity Protection and configure a sign-in risk policy.
- B.Create a Conditional Access policy that requires device compliance and block access for non-compliant devices.
- C.Create a session policy in Microsoft Defender for Cloud Apps that blocks downloads for all devices.
- ✓ D.Create a Conditional Access policy that uses the 'Require session control' grant and target 'All cloud apps' and 'Unmanaged devices' as conditions.
Why D: Option D is correct because you need to use a Conditional Access policy with the 'Require session control' grant, targeting 'All cloud apps' and 'Unmanaged devices' as conditions. This integrates with Microsoft Defender for Cloud Apps to enforce additional authentication (via Microsoft Entra ID) and enable session monitoring, such as real-time activity logging and download blocking, for the sanctioned app when accessed from unmanaged devices.
Variation 3. Your organization uses Microsoft Defender for Cloud Apps. A security analyst notices anomalous file downloads from a SharePoint site by a user flagged as high risk. What should the analyst configure to automatically block such activity?
medium- A.Configure a file policy
- B.Configure an access policy
- C.Configure an app permission policy
- ✓ D.Configure a session policy
Why D: Session policies in Microsoft Defender for Cloud Apps provide real-time control over user activities, including blocking downloads based on risk level. Option A is incorrect because app permissions manage consent, not real-time monitoring. Option B is incorrect because file policies are for static file classification. Option D is incorrect because access policies control initial access, not ongoing session activities.
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Last reviewed: Jun 11, 2026
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