What Never to Tell AI: 10 Things You Should Keep Private

🔒 Free Printable: What Never to Tell AI – 10 Things to Keep Private

Welcome to our free What Never to Tell AI printable guide.

AI tools such as ChatGPT, Gemini and Copilot can be incredibly useful, but it is important to think carefully about the information you share with them.

This simple printable explains 10 types of information you should keep private when using AI, including passwords, security codes, banking details and confidential documents.

It is designed especially for beginners and families who want an easy reminder of how to use AI more safely.

🖨️ What Never to Tell AI – Free Printable Guide

Free printable What Never to Tell AI guide showing 10 things to keep private

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🔒 What Should You Never Tell AI?

You don’t need to give an AI chatbot lots of personal information for it to be useful.

Our printable highlights 10 important things to think carefully about:

  1. Passwords
  2. PINs and security codes
  3. Banking and card details
  4. Identity documents
  5. Confidential work information
  6. Private information about other people
  7. Sensitive medical information
  8. Security questions and answers
  9. Confidential documents
  10. Anything you wouldn’t want shared unnecessarily

A useful rule is:

Share only the information an AI genuinely needs to answer your question.

🛡️ Use Placeholders Instead of Real Information

You can often get exactly the same help without entering real personal details.

For example, instead of giving an AI your real address, write:

[MY ADDRESS]

Other useful placeholders include:

[MY NAME]
[COMPANY NAME]
[ACCOUNT NUMBER]
[CUSTOMER REFERENCE]

The AI can still help you draft a letter, email or document, and you can add the real information yourself afterwards.

⚠️ Think Before Uploading Documents

AI tools may allow you to upload photographs, PDFs and other documents.

Before uploading anything, check whether it contains information the AI doesn’t need, such as:

  • passwords or security information;
  • bank or card details;
  • addresses and telephone numbers;
  • signatures;
  • account numbers;
  • confidential customer information.

Where practical, remove or hide unnecessary sensitive information first.

🤖 Can AI Get Things Wrong?

Yes.

AI can sometimes provide information that is incomplete, outdated or incorrect, even when the answer sounds convincing.

Always double-check important information involving subjects such as money, health, law, safety or government services using an appropriate reliable source.

👉 Read our beginner guide: Can AI Be Wrong?

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Technology made simple.

AI tools such as ChatGPT, Gemini and Copilot can help with everything from writing emails to explaining complicated subjects.

But that doesn’t mean you should tell an AI chatbot everything.

A useful rule for beginners is:

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