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Interview question · Cloud, Container & AI Infrastructure Security

How do infrastructure as code and policy as code prevent misconfiguration?

Most cloud breaches start with a setting, not an exploit. The scored answer moves those settings into reviewed code, checks them before deployment, and catches the drift that happens anyway.

mediumNewPreparation tags: Amazon, Google, MicrosoftUpdated Nov 2026

Most cloud breaches start with a setting, not an exploit. The scored answer moves those settings into reviewed code, checks them before deployment, and catches the drift that happens anyway.

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What would you say before reading the answer?

  1. 01 State the assumptions your answer depends on.
  2. 02 Explain the mechanism and choose a control.
  3. 03 Name a condition that would change your decision.

The worked answer includes an approach, scoring criteria and follow-up questions. Compare the reasoning with your own.

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What if · the follow-ups in this answer

The answer works through 6 follow-ups like an interviewer would

Cloud infrastructure is defined in Terraform, but misconfigurations such as public buckets and wildcard IAM keep reaching production.

  1. What does infrastructure as code give you?
  2. What is policy as code?
  3. What if someone bypasses the pipeline?
  4. How do you catch drift?
  5. How do you handle exceptions?
  6. How would you stop misconfigurations reaching production?

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