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Interview question · Prompt Injection & Jailbreaks

How do prompt injections hidden in images, audio and documents work, and how would you test for them?

Trace actual text, image and audio inputs, then distinguish extraction errors, unauthorized influence and completed effects. Build a useful test plan without inventing success rates.

hardNewUpdated Nov 2026

Trace actual text, image and audio inputs, then distinguish extraction errors, unauthorized influence and completed effects. Build a useful test plan without inventing success rates.

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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 4 follow-ups like an interviewer would

Jules compares supplier proposals using documents and a recorded demonstration. Internal pricing may appear in an internal comparison, but must not be sent to bidders.

  1. What if the parser excludes the page carrying the synthetic diversion?
  2. What if the publication is denied but the supplier ranking is wrong?
  3. What if a new model receives native audio in addition to the old transcript?
  4. What should the assessment handoff contain?

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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