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Interview question · Cloud, Container & AI Infrastructure Security

Explain the Kubernetes security basics: the API server, RBAC, service accounts, Pod Security, NetworkPolicy and Secrets.

Everything in Kubernetes goes through the API server, so most attacks are about who can talk to it and with what rights. The rest is what a pod can do to its node and to its neighbours.

mediumEssentialNewPreparation tags: Google, Amazon, MicrosoftUpdated Nov 2026

Everything in Kubernetes goes through the API server, so most attacks are about who can talk to it and with what rights. The rest is what a pod can do to its node and to its neighbours.

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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

A developer has a kubeconfig with permission to create pods in the production namespace, and the cluster has no network policies.

  1. Why is pod creation such a powerful permission?
  2. What do service account tokens add?
  3. What do Pod Security Standards prevent?
  4. What about networking?
  5. What about secrets and auditing?
  6. What would you change?

Each rung has a nudge, a model answer, the principle that carries over and the weak answer to avoid. Premium opens every answer and ladder.

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