Quick Answer
The answer is Microsoft Sentinel, the correct choice because it is a cloud-native SIEM and SOAR solution that provides a unified view of security alerts from multi-cloud and on-premises environments while supporting automated response through playbooks built on Azure Logic Apps. Sentinel ingests data from Azure, AWS, GCP, and on-premises systems via native connectors, then correlates those alerts into a single dashboard, and its automation capabilities allow you to trigger remediation workflows without manual intervention. On the Microsoft Cybersecurity Architect exam, this question tests your understanding of how Sentinel fulfills both the SIEM and SOAR roles in a hybrid, multi-cloud architecture—a common trap is confusing it with Azure Security Center or Azure Defender, which focus on posture management and workload protection rather than unified ingestion and automated playbooks. Remember the memory tip: “Sentinel sees all and acts on all,” linking its unified visibility to its playbook-driven response.
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 security architect needs to design a solution that provides a unified view of security alerts from multiple clouds (Azure, AWS, GCP) and on-premises systems. The solution must also support automated response using playbooks. Which Microsoft service should they use?
Microsoft Defender XDR
Why wrong: Defender XDR integrates Microsoft security signals, not multi-cloud.
Microsoft Defender for Cloud
Why wrong: Defender for Cloud is a CSPM/CWP solution, not a SIEM/SOAR.
Microsoft Purview
Why wrong: Purview is for data governance, not security operations.
Microsoft Sentinel
Sentinel is a SIEM/SOAR that supports multi-cloud and on-premises with automated playbooks.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft Sentinel
Microsoft Sentinel is the correct choice because it is a cloud-native SIEM (Security Information and Event Management) and SOAR (Security Orchestration, Automation, and Response) solution that ingests security alerts from multiple clouds (Azure, AWS, GCP) and on-premises systems via connectors. It supports automated response through playbooks built on Azure Logic Apps, enabling unified alert management and remediation workflows.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Microsoft Defender XDR
Why it's wrong here
Defender XDR integrates Microsoft security signals, not multi-cloud.
Microsoft Defender for Cloud
Why it's wrong here
Defender for Cloud is a CSPM/CWP solution, not a SIEM/SOAR.
Microsoft Purview
Why it's wrong here
Purview is for data governance, not security operations.
Microsoft Sentinel
Why this is correct
Sentinel is a SIEM/SOAR that supports multi-cloud and on-premises with automated playbooks.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is confusing Microsoft Defender for Cloud (a CSPM tool) with Microsoft Sentinel (a SIEM/SOAR), as both appear in the Azure portal and deal with security alerts, but only Sentinel provides native multi-cloud SIEM ingestion and automated playbook orchestration for cross-cloud incident response.
Detailed technical explanation
Microsoft Sentinel uses data connectors (e.g., Azure Monitor Agent, Syslog, CEF, AWS CloudTrail, GCP Security Command Center) to collect logs and alerts, normalizing them into a common schema (ASIM) for unified analysis. Its SOAR capabilities rely on Azure Logic Apps, where playbooks can be triggered automatically via analytics rules or incidents, executing actions like blocking IPs, isolating VMs, or opening tickets in ITSM tools. A real-world scenario is a multi-cloud enterprise using Sentinel to correlate a brute-force attack from AWS EC2 with an Azure AD sign-in anomaly, then automatically triggering a playbook to disable the compromised user account across all clouds.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Design solutions that align with security best practices and priorities — This question tests Design solutions that align with security best practices and priorities — Read the scenario before looking for a memorised answer..
The correct answer is: Microsoft Sentinel — Microsoft Sentinel is the correct choice because it is a cloud-native SIEM (Security Information and Event Management) and SOAR (Security Orchestration, Automation, and Response) solution that ingests security alerts from multiple clouds (Azure, AWS, GCP) and on-premises systems via connectors. It supports automated response through playbooks built on Azure Logic Apps, enabling unified alert management and remediation workflows.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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