Design a data minimization architecture for AI assistants.

Instruction: Explain how you would reduce the amount of sensitive data an assistant retains or propagates. For the supplied order-status workflow, decide which fields may enter the model, tool request, retry queue, and routine telemetry. Explain expiry and how a schema change is detected.

Context:

The authorized task is to report delivery status for one order. The service returns order_ref, status, expected_day, shipping_address, payment_token, and internal_notes. The status tool accepts an authenticated scoped order_ref. The model only needs status and expected_day. Assume operational policy permits routine telemetry containing operation ID, outcome, latency and error category, but no order reference or personal fields.

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I’d begin with a data-flow map and ask what each step genuinely needs...

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Your preparation path

Work through these questions in order. Read the answer aloud, then explain it in your own words.

1. Start with the foundations

Build the vocabulary and explain the core decisions.

  1. Why is prompt injection different from ordinary bad input? Free sample
  2. How do you separate policy enforcement from model style instructions? Free sample
  3. What information should never flow from untrusted content straight into tool execution? Free sample

2. Apply it to a real workflow

Practice diagnosis, validation, and everyday tradeoffs.

  1. How do you decide where to place guardrails in a multi-step agent workflow? Free sample
  2. A summarization workflow passes unsafe content from retrieval into a downstream action. How would you fix it? Member answer
  3. A reviewer approves a high-risk action because the model framed it confidently. How would you reduce that risk? Member answer

3. Prepare for senior discussions

Explain failure boundaries, recovery, and production choices.

  1. A multi-agent system routes around one guardrail because another agent has broader permissions. How would you fix it? Member answer
  2. OAuth discovery metadata points your agent at an internal URL. How would you prevent SSRF? Member answer
  3. Why can a localhost MCP server still be exposed to attacks from a website? Member answer

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