SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
An organization wants to protect its Azure PaaS services, such as Azure SQL Database and Azure Key Vault, by detecting and alerting on suspicious activities like SQL injection attempts or unusual access patterns. They also need to integrate these alerts into a central security information and event management (SIEM) system for further analysis. Which Microsoft security solution provides the threat detection capability described?
⚠ Common exam trap
Watch out — candidates often confuse Microsoft Sentinel (a SIEM) with the threat detection capability itself, but Sentinel ingests alerts rather than generating them for PaaS services, making Defender for Cloud the correct answer for native threat detection.
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
Microsoft Defender for Cloud provides unified security management and advanced threat protection across hybrid cloud workloads, including Azure PaaS services like Azure SQL Database and Azure Key Vault. It detects suspicious activities such as SQL injection attempts and unusual access patterns using built-in behavioral analytics and integrates alerts into a central SIEM system via Azure Monitor or directly to Microsoft Sentinel.
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 Sentinel
Why it's wrong here
Microsoft Sentinel is a cloud-native Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) solution. While it aggregates security data from various sources, including alerts from Microsoft Defender for Cloud, and enables advanced threat hunting and incident response, it does not inherently provide the direct threat detection and protection capabilities for Azure PaaS services itself. Sentinel acts as an analytical and response platform, relying on other services like Defender for Cloud for initial threat detection.
When this WOULD be correct
A question that asks: 'An organization needs a cloud-native SIEM to aggregate security logs from multiple sources, including on-premises and multi-cloud environments, and perform advanced threat hunting and automated response.' In that scenario, Microsoft Sentinel would be the correct answer.
- ✓
Microsoft Defender for Cloud
Why this is correct
Microsoft Defender for Cloud provides comprehensive cloud security posture management (CSPM) and cloud workload protection (CWP) capabilities. It offers advanced threat protection specifically for Azure PaaS services like Azure SQL Database, Azure Key Vault, and Azure Storage accounts. This includes continuous monitoring, vulnerability assessments, and real-time threat detection alerts tailored to the unique attack vectors of these services, ensuring robust security for cloud-native applications.
- ✗
Microsoft Defender for Endpoint
Why it's wrong here
Microsoft Defender for Endpoint is an enterprise endpoint security platform designed to help organizations prevent, detect, investigate, and respond to advanced threats on devices. Its primary function is to protect managed endpoints such as workstations, servers, and mobile devices from malware and sophisticated attacks. It does not provide direct security monitoring or threat protection for Azure PaaS services like Azure SQL Database, which are managed by Microsoft.
When this WOULD be correct
This option would be correct in a question asking: 'Which Microsoft security solution detects and alerts on suspicious activities on endpoints, such as malware or anomalous behavior on workstations and servers?'
- ✗
Microsoft Defender for Identity
Why it's wrong here
Microsoft Defender for Identity protects on-premises Active Directory environments by detecting identity-based threats such as Kerberoasting or pass-the-hash, not Azure PaaS services like SQL Database or Key Vault. It is tempting because its name suggests a broad security scope, and it would be correct for monitoring hybrid identity infrastructure and alerting on compromised credentials in an on-premises or Microsoft Entra ID–joined environment.
When this WOULD be correct
A question asking which Microsoft solution detects identity-based attacks (e.g., pass-the-hash, kerberoasting) against on-premises Active Directory and provides alerts for compromised credentials.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The SC-900 exam frequently reuses these exact scenarios with slightly different constraints.
✓Microsoft Defender for CloudCorrect answer▾
Why this is correct
Microsoft Defender for Cloud provides comprehensive cloud security posture management (CSPM) and cloud workload protection (CWP) capabilities. It offers advanced threat protection specifically for Azure PaaS services like Azure SQL Database, Azure Key Vault, and Azure Storage accounts. This includes continuous monitoring, vulnerability assessments, and real-time threat detection alerts tailored to the unique attack vectors of these services, ensuring robust security for cloud-native applications.
✗Microsoft SentinelWrong answer — click to see why▾
Why this is wrong here
Microsoft Sentinel is a SIEM and SOAR solution, but the question specifically asks for a solution that provides the threat detection capability for Azure PaaS services. Microsoft Defender for Cloud (formerly Azure Security Center) is the native threat detection service for Azure PaaS, while Sentinel ingests alerts from Defender for Cloud for central analysis.
★ When this WOULD be the correct answer
A question that asks: 'An organization needs a cloud-native SIEM to aggregate security logs from multiple sources, including on-premises and multi-cloud environments, and perform advanced threat hunting and automated response.' In that scenario, Microsoft Sentinel would be the correct answer.
Why candidates choose this
Candidates may confuse Microsoft Sentinel's SIEM capabilities with the built-in threat detection for Azure PaaS, or think that Sentinel directly monitors PaaS services without understanding that it relies on Defender for Cloud for those specific detections.
✗Microsoft Defender for EndpointWrong answer — click to see why▾
Why this is wrong here
Microsoft Defender for Endpoint is designed to protect endpoints (devices) from threats, not Azure PaaS services like Azure SQL Database or Azure Key Vault. It does not natively detect SQL injection or unusual access patterns on PaaS resources.
★ When this WOULD be the correct answer
This option would be correct in a question asking: 'Which Microsoft security solution detects and alerts on suspicious activities on endpoints, such as malware or anomalous behavior on workstations and servers?'
Why candidates choose this
Candidates may confuse 'Defender for Cloud' with 'Defender for Endpoint' due to similar naming, or mistakenly think endpoint protection covers cloud PaaS services.
✗Microsoft Defender for IdentityWrong answer — click to see why▾
Why this is wrong here
Microsoft Defender for Identity focuses on protecting on-premises Active Directory identities from advanced threats, not Azure PaaS services like SQL Database or Key Vault.
★ When this WOULD be the correct answer
A question asking which Microsoft solution detects identity-based attacks (e.g., pass-the-hash, kerberoasting) against on-premises Active Directory and provides alerts for compromised credentials.
Why candidates choose this
Candidates may confuse 'identity' protection with cloud workload protection, or assume Defender for Identity covers all identity-related threats including cloud services.
Analysis generated from the official SC-900blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Go deeper
Related to this question
Learn chapter
Core Security Concepts
Key term
SIEM
SIEM (Security Information and Event Management) is a system that collects and analyzes log data from across an IT environment to detect and respond to security threats in real time.
Key term
Defender for Cloud
Microsoft Defender for Cloud is a cloud security posture management (CSPM) and cloud workload protection platform (CWPP) that provides unified security management and threat protection across hybrid and multi-cloud environments.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SC-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 SC-900 exam.