Your prompt doesn't need their email.

You want AI to help explain a broken export button. Does it also need the customer's name, email, and internal case number?

Start here:
1. Write a fictional support note.
2. Mark the identifiers the task doesn't need.
3. Replace them locally — then inspect what survived.

The catch: a replacement tool only changes the spans you give it. Leave one out and it can stay in the text.

We ran a small Presidio Anonymizer lab with four fictional cases, including a deliberately missed email. The full guide has the setup, code, actual outputs, and review checklist.

Get the walkthrough and practice files:
https://jabsystems.io/ai-anonymous/presidio-replace-before-prompt

Redaction is not a privacy guarantee or permission to share. Use fictional data for practice, and your organization's approved tools and rules for real work.

AI Anonymous · from JAB Systems
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