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AI Security

Interview question · Cloud, Container & AI Infrastructure Security

Namespaces, capabilities and seccomp: how does each enforce least privilege for a process?

Containers are a bundle of kernel features, each limiting a different thing. The scored answer explains what each restricts, what it does not, and how to combine them for an untrusted workload.

hardNewPreparation tags: Google, Amazon, MicrosoftUpdated Nov 2026

Containers are a bundle of kernel features, each limiting a different thing. The scored answer explains what each restricts, what it does not, and how to combine them for an untrusted workload.

Make your first attempt

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 Python web service runs as root in a container because it was easiest, with default capabilities and no seccomp profile.

  1. What do namespaces give you?
  2. Why drop capabilities?
  3. What does seccomp add?
  4. What else should be configured?
  5. What remains even with all of this?
  6. How would you harden the service?

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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