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AI Security

Interview question · Cloud, Container & AI Infrastructure Security

Design a data security toolchain: discovery and classification, DSPM, DLP and de-identification, including data flowing into AI systems.

You cannot protect data you have not found, and you cannot find it once it has been copied into ten places. The toolchain answer follows data from discovery to the AI index.

hardNewPreparation tags: Microsoft, Google, SnowflakeUpdated Nov 2026

You cannot protect data you have not found, and you cannot find it once it has been copied into ten places. The toolchain answer follows data from discovery to the AI index.

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 5 follow-ups like an interviewer would

A company is building an internal assistant over its document stores and warehouse. Security is asked to make sure it cannot expose customer personal data or payment card numbers.

  1. What do you need before any data is indexed?
  2. The warehouse has a table with full card numbers that analysts use. What happens to it?
  3. How do you stop the assistant showing a user documents they cannot open?
  4. What is the last line if something slips through?
  5. What toolchain do you put in place?

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
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