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AI Data-Safety Check: What Not to Paste

Hands typing at a keyboard in a dark room, a soft cyan glow on the keys and a faint shield-shaped light reflection on the desk, calm focused cinematic mood — AI prompt and privacy guide

Every prompt you type into a shared AI tool is data leaving your device, and the settings pages describe — but never fully control — where it goes. This guide sets one working rule that cuts through the fine print: paste only what you would be comfortable seeing quoted back to you in public. From that rule comes the short never-paste list — passwords and recovery codes, full bank and card numbers, government ID numbers, health records, and anything covered by work confidentiality — and the redaction skill that keeps questions useful without the identifying details. It also covers the policy layer people forget: employer and school rules often forbid certain content in AI tools entirely, and those policies outrank convenience. The safest data is the data that never left your device.

⚡ Free instant check

A practical check of what should never go into an AI prompt — the data classes to keep out, what happens to what you paste, and the safe way to get help with sensitive material.

Answer 0-10 (10 = the stronger end for every question — no wrong answers). Your answers stay on this device — nothing is stored.

Trust the output as-is — 5 — Checked against real sources
Paste whatever is handy — 5 — Nothing sensitive ever pasted
Probably not — 5 — Know the tells, verify the stakes
Defaults, never touched — 5 — Reviewed and tightened

Why it matters

  • Anything you paste into a public or shared AI tool can be used to train or be seen by the provider's staff under their policies: the working rule is to paste only what you would be comfortable seeing quoted back to you in public.
  • The never-paste list is short and serious: passwords, passkeys and recovery codes, full bank or card numbers, government ID numbers, health records, and anything covered by work confidentiality or a privacy law.
  • Redaction is a skill, not a chore: 'my boss earns about 90k and I think I am underpaid' conveys everything the model needs without the identifying details.
  • Work and study material changes the rules: employer policies and school academic-integrity rules often forbid putting certain content into AI tools, and 'it was just a draft' is not a defence if the policy says otherwise.
  • Privacy settings matter but are not magic: turning off training use is real and worth doing, but it is a policy promise, not a technical guarantee — the safest data is the data that never left your device.

Your checklist

  • Before you paste, run the public test: would you be fine seeing this quoted back to you on a billboard? If not, it does not go in.
  • Keep the hard no list out of prompts entirely: passwords, recovery codes, full card and bank numbers, ID numbers, health records.
  • Redact before you paste: swap real names, exact salaries and identifying details for placeholders that keep the question intact.
  • Check your work or school policy before using AI on anything work-related or assessed — the policy outranks convenience.
  • Turn off training-on-your-data in the settings of every AI tool you use, and review the data-retention setting too.
  • When you genuinely need help with sensitive material, use a tool with a privacy promise you have read, or keep the work offline with a local model.

❓ AI Data-Safety Check: What Not to Paste — FAQ

What happens to the text I paste into an AI tool?

Under most consumer terms, your prompts can be used to train models and can be reviewed by provider staff. Turning off training in settings is real and worth doing, but it is a policy promise, not a technical guarantee — which is why the working rule is about what you paste, not just where you paste it.

How do I get AI help with something sensitive without pasting it?

Redact first: swap real names, exact salaries and identifying details for placeholders that keep the question intact. 'My manager earns about 90k and I suspect I am underpaid' needs no names to be answerable. For genuinely sensitive material, use a tool with a privacy promise you have read, or keep the work fully offline.

Does the rule change for work or study content?

Yes — policies outrank convenience. Employer and institutional rules often forbid putting client data, personal information or assessed work into consumer AI tools, and those rules apply even to drafts. Check the policy before you paste; 'it was just a draft' is not a defence.

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🛡️ Prompt & Protect
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Educational information only — not professional or legal advice, and never a guarantee of outcomes. AI tools vary by provider, country and time (we write from a New Zealand base; your local rules may differ): the tools give plain-language estimates and next steps, not professional opinions. AI output can be confidently wrong, so verify what matters, keep private data out of prompts, and for medical, legal, financial or academic matters that matter, a qualified human professional is the right next step. Refunds honoured.
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