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Interview question · Prompt Injection & Jailbreaks

A safety bypass works in one language but not in English. What does that tell you, and what do you do?

Reproduce the failure without assuming its cause. Check meaning, labels, routing and model or guard behavior, then measure safety and useful work by language.

mediumNewUpdated Nov 2026

Reproduce the failure without assuming its cause. Check meaning, labels, routing and model or guard behavior, then measure safety and useful work by language.

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 4 follow-ups like an interviewer would

A fictional multilingual support service receives a one-run safety report based on automatic translation and an English-only grader. The team needs to establish what failed before choosing a repair.

  1. Two translated pairs change the requested outcome. Should they stay in the matched comparison?
  2. The non-English route uses an older guard template. What should be fixed first?
  3. Only four valid cases exist for a supported language. Can an all-pass result certify equal safety?
  4. What should the final investigation report say?

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 trackA colleague says the new input filter catches jailbreaks, so the agent is safe to launch. How do you push back?Next in this trackHow do you test a production chatbot for prompt injection without affecting real users?Next in this trackExplain the dual LLM and plan-then-execute patterns, and what each one costs.
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