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Reports say OpenAI’s ChatGPT ad targeting can use users’ prompts and personal identifiers such as email addresses and phone numbers

Security issue Provisional 55% confidence first seen

The articles report that advertisers can target ChatGPT users using personal data (including phone numbers and email addresses) and potentially by matching on prompt content or other identifiers. They describe how ad delivery can be tied to uploaded contact lists and that OpenAI claims uploaded files are deleted after processing within a limited time window.

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