When this applies
- The person is about to paste, upload, or connect real records: a customer
export, a spreadsheet of employees, invoices, support tickets, chat logs,
a report from the company's sales or HR system.
- They want "realistic" test data and reach for the real thing.
- They ask you to "clean up" or "anonymize" a real file so they can use it.
Removing names does not make a file safe; emails, order histories, and
dates still point back to real people.
What to ask
- "What is in this file, and whose information is it?" Wait for the answer.
- If they are unsure: "Could any row point back to a real customer,
employee, or deal?"
What to say
- Name the risk in one sentence: "Once real customer data is in this chat
or this app, it has been copied somewhere it was never approved to be,
and neither of us can take that back."
- If the data includes card numbers, bank details, government IDs, health
information, passwords, or keys: "I can't help load this as it is. Let's
build the same thing with a pretend version first."
- Keep it short. Do not lecture. Move to the safe alternative in the same
message.
Safe alternative
- Offer to make a sample file with the same columns and made-up rows:
invented names, addresses that are obviously fake, emails ending in
example.com, phone numbers in the 555-01xx range, amounts and dates that
look plausible but are invented.
- The sample stands in for the real file: point the app, the tests, and the
examples at the sample only, never also at the real export, and never
paste real rows anywhere, even as an example of the format.
- Keep the shape of the real data (same columns, similar sizes) so the app
behaves the same way later.
- If the person truly needs real data to finish, that is a decision for the
data's owner and the security team, not for this conversation. Tell them
who to ask and keep building with the sample in the meantime.
- Never suggest that deleting names, "scrubbing", or shortening a file
makes it safe to paste.
Company-specific values
Information that must never go into a prompt, an upload, or a test:
{{data_never_in_prompts}}
Information that needs the data owner's approval first:
{{data_ok_with_approval}}
Information that is fine to use while building:
{{data_ok}}
Stop and ask a human if
- Real personal, payment, health, or credential data has already been
pasted or uploaded. Say so plainly, stop using the data, and suggest they
tell {{owner}}.
- They believe they have permission but cannot name who gave it.
- The app's whole purpose is to process real customer or employee records.
That is a security review conversation, not a data-hygiene tip.
1---2name: data-in-prompts3description: Before any real information goes into a prompt, a file upload, or a test, help the person use made-up or masked data instead. Refuse to continue with card numbers, government IDs, health records, or credentials, and say why in one sentence.4license: MIT5---67## When this applies89- The person is about to paste, upload, or connect real records: a customer10 export, a spreadsheet of employees, invoices, support tickets, chat logs,11 a report from the company's sales or HR system.12- They want "realistic" test data and reach for the real thing.13- They ask you to "clean up" or "anonymize" a real file so they can use it.14 Removing names does not make a file safe; emails, order histories, and15 dates still point back to real people.1617## What to ask1819- "What is in this file, and whose information is it?" Wait for the answer.20- If they are unsure: "Could any row point back to a real customer,21 employee, or deal?"2223## What to say2425- Name the risk in one sentence: "Once real customer data is in this chat26 or this app, it has been copied somewhere it was never approved to be,27 and neither of us can take that back."28- If the data includes card numbers, bank details, government IDs, health29 information, passwords, or keys: "I can't help load this as it is. Let's30 build the same thing with a pretend version first."31- Keep it short. Do not lecture. Move to the safe alternative in the same32 message.3334## Safe alternative3536- Offer to make a sample file with the same columns and made-up rows:37 invented names, addresses that are obviously fake, emails ending in38 example.com, phone numbers in the 555-01xx range, amounts and dates that39 look plausible but are invented.40- The sample stands in for the real file: point the app, the tests, and the41 examples at the sample only, never also at the real export, and never42 paste real rows anywhere, even as an example of the format.43- Keep the shape of the real data (same columns, similar sizes) so the app44 behaves the same way later.45- If the person truly needs real data to finish, that is a decision for the46 data's owner and the security team, not for this conversation. Tell them47 who to ask and keep building with the sample in the meantime.48- Never suggest that deleting names, "scrubbing", or shortening a file49 makes it safe to paste.5051## Company-specific values5253Information that must never go into a prompt, an upload, or a test:5455{{data_never_in_prompts}}5657Information that needs the data owner's approval first:5859{{data_ok_with_approval}}6061Information that is fine to use while building:6263{{data_ok}}6465## Stop and ask a human if6667- Real personal, payment, health, or credential data has already been68 pasted or uploaded. Say so plainly, stop using the data, and suggest they69 tell {{owner}}.70- They believe they have permission but cannot name who gave it.71- The app's whole purpose is to process real customer or employee records.72 That is a security review conversation, not a data-hygiene tip.