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Practical AI · Lesson 4 of 5

Keep Private Information Out of AI Tools

Learn what not to paste into an AI assistant, how to redact a money task with placeholders, and which privacy settings to check in the tool you use.

10-minute lessonBeginnerUpdated

In this lesson you will

Know what never to paste into an AI tool, redact a money task with placeholders, and find the data settings in the assistant you use.

The idea in plain language

Most money tasks do not need your real identifiers. An assistant can organize a budget built from “Bill A, about $80” just as well as from your real account statement. Leave out anything that could be used to identify you, access an account, or harm someone else.

Never paste

  • Passwords, PINs, one-time codes, or security answers.
  • Full account, card, or routing numbers, and Social Security or tax ID numbers.
  • Full statements, pay stubs, or tax forms.
  • Other people's personal details without their permission.
  • Work or client information your employer has not approved for that tool.

Check the tool's settings

Tools differ and change, so read the current data settings for the one you use.

FactAs of October 7, 2026, OpenAI's help center says ChatGPT users can turn off “Improve the model for everyone” so new conversations are not used to train its models, and that temporary chats are not used to improve its models but may be kept for up to 30 days for safety purposes.

Worked example

IllustrationRedacting a bill list before asking for help

Before and after redaction (fictional)
Original noteSafe to paste
FirstBank checking ****4417 has $612Checking: about $600
Rent to Oakview Apartments, unit 3B, $1,150 on the 1stRent: about $1,150, due on the 1st
PhoneCo autopay on the 2nd from card ending 9902Phone: autopay from a card, due on the 2nd
Paycheck from Acme Corp, $1,384.22 on the 5thPaycheck: about $1,400 on the 5th

Round amounts, replace names with roles, and drop account numbers. The plan comes out the same.

Try it: redact one real task

  1. Pick a small money task you want help with.
  2. Write it out, then replace names, employers, and account numbers with placeholders.
  3. Round amounts to the nearest $10 or $100.
  4. Open your AI tool's settings and find its data or privacy controls. Note what they say about training and retention.
  5. Only then paste the redacted version.

Checklist

Limits of this lesson

  • Settings and policies change. The OpenAI details above were checked on October 7, 2026 and may differ by plan or workspace.
  • Turning off training does not mean nothing is stored. Read the retention terms for your tool and plan.
  • This lesson is general guidance, not legal or security advice for a business.

Keep the human review

Examples are practice exercises, not tested AI outputs or a promise of results. During practice, do not give an assistant permission to send, publish, buy, or change anything in an account.

Sources

Facts on this page were checked against these sources on October 7, 2026. Figures marked Illustration are arithmetic examples, not forecasts.

  1. OpenAI Help Center, Data controls in ChatGPT (checked October 7, 2026) (opens in a new tab)
    Model-training setting and temporary chat retention.

About this lesson: original MentorSurge teaching material for general education. It is not individualized financial, investment, tax, or legal advice. Spotted an error? Tell us.

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