Quick Answer
The answer is Microsoft Defender for Cloud Infrastructure as Code scanning. This is the correct choice because it provides native, pre-deployment security analysis of IaC templates like ARM, Bicef, Terraform, and CloudFormation directly within GitHub Actions, automatically failing the pipeline on critical misconfigurations to enforce secure infrastructure before it reaches production. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of shifting security left in a DevOps pipeline, often appearing as a distractor against third-party tools like Bridgecrew or Checkov—remember that Defender for Cloud’s IaC scanning is a built-in, first-party solution that requires no additional licensing beyond Defender for Cloud. A common trap is assuming you need a separate scanning tool or that Azure Policy alone handles this, but the key is that IaC scanning operates at the template level during the CI/CD pipeline, not after deployment. Memory tip: think “IaC in the CI” to recall that Defender for Cloud scans infrastructure code inside the continuous integration process.
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 needs to design a secure DevOps pipeline using GitHub Actions and Microsoft Defender for Cloud. They want to scan infrastructure-as-code (IaC) templates for misconfigurations before deployment. What should they integrate?
Microsoft Defender for Cloud Infrastructure as Code scanning
Defender for Cloud can scan IaC templates for misconfigurations.
Microsoft Purview Compliance Manager
Why wrong: Compliance Manager assesses compliance posture, not IaC scanning.
Microsoft Sentinel
Why wrong: Sentinel is for monitoring and analytics, not IaC scanning.
Microsoft Defender for Cloud Apps
Why wrong: Defender for Cloud Apps is for cloud app security, not IaC scanning.
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 Defender for Cloud Infrastructure as Code scanning
Microsoft Defender for Cloud includes a native Infrastructure as Code (IaC) scanning capability that integrates directly with GitHub Actions. This feature automatically analyzes IaC templates (such as ARM, Bicep, Terraform, and CloudFormation) for security misconfigurations during the CI/CD pipeline, providing pre-deployment guardrails. By failing the pipeline on critical findings, it ensures only compliant infrastructure is deployed, aligning with the secure DevOps principle of shifting security left.
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 for Cloud Infrastructure as Code scanning
Why this is correct
Defender for Cloud can scan IaC templates for misconfigurations.
Related concept
Read the scenario before looking for a memorised answer.
Microsoft Purview Compliance Manager
Why it's wrong here
Compliance Manager assesses compliance posture, not IaC scanning.
Microsoft Sentinel
Why it's wrong here
Sentinel is for monitoring and analytics, not IaC scanning.
Microsoft Defender for Cloud Apps
Why it's wrong here
Defender for Cloud Apps is for cloud app security, not IaC scanning.
Common exam traps
The trap here is that candidates often confuse Microsoft Defender for Cloud's IaC scanning with Microsoft Sentinel's threat detection capabilities, mistakenly thinking Sentinel can scan code before deployment, when in fact Sentinel only analyzes logs and alerts from already-deployed resources.
Detailed technical explanation
Under the hood, Microsoft Defender for Cloud's IaC scanning uses the same policy engine as Azure Policy's Guest Configuration and Azure Resource Manager template analysis, evaluating templates against built-in security benchmarks like the Azure Security Benchmark (ASB). In a real-world scenario, a Terraform template defining an Azure Storage Account with 'allowBlobPublicAccess' set to true would be flagged by the scanner, causing the GitHub Actions workflow to fail before the resource is provisioned, preventing a public blob storage misconfiguration. The integration uses a GitHub Action (like 'microsoft/security-devops-action') that runs the scanner as a step in the pipeline, outputting results as SARIF files for review.
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 Defender for Cloud Infrastructure as Code scanning — Microsoft Defender for Cloud includes a native Infrastructure as Code (IaC) scanning capability that integrates directly with GitHub Actions. This feature automatically analyzes IaC templates (such as ARM, Bicep, Terraform, and CloudFormation) for security misconfigurations during the CI/CD pipeline, providing pre-deployment guardrails. By failing the pipeline on critical findings, it ensures only compliant infrastructure is deployed, aligning with the secure DevOps principle of shifting security left.
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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