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AI Security

Interview question · LLM Application Security

Secure a chat-with-your-documents connector to a company document store, including permission sync.

The connector copies documents out of a system that enforces permissions into one that must re-create them. The scored answer treats permission fidelity and freshness as the core problem.

hardNewPreparation tags: Microsoft, Google, SalesforceUpdated Nov 2026

The connector copies documents out of a system that enforces permissions into one that must re-create them. The scored answer treats permission fidelity and freshness as the core problem.

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

An assistant connects to users' cloud document storage to answer questions about their files.

  1. What if the connector uses a service account with access to all documents?
  2. What scopes should the OAuth grant request?
  3. What if documents contain injected instructions?
  4. What if permissions change after indexing?
  5. How should tokens be stored and revoked?
  6. What would the connector design be?

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.

UP NEXT ON YOUR JOURNEY
Next in this trackDesign the security of a Copilot-style coding assistant API used by thousands of companies.Next in this trackDesign an internal LLM gateway that every team's AI features must go through. What does it enforce?Next in this trackHow do you stop employees leaking company data into public AI tools?
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