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AI Security

Interview question · How LLM Systems Work

Which LLM API parameters and features have security implications if you expose them to users?

Review caller-controlled options by their actual information, resource and capability effects. Build a bounded product schema instead of forwarding arbitrary configuration.

mediumNewUpdated Nov 2026

Review caller-controlled options by their actual information, resource and capability effects. Build a bounded product schema instead of forwarding arbitrary configuration.

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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 5 follow-ups like an interviewer would

A fictional museum application accepts a JSON request from visitors and builds a provider call that can access an approved public catalog. A proposed change forwards every client field to the provider.

  1. What if the caller supplies a conversation identifier?
  2. What if the caller supplies a tool definition?
  3. What if a research feature legitimately needs token log probabilities?
  4. What if a new provider field bypasses the current cost limits?
  5. What should the parameter review produce?

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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