rotative
mit tech review · May 13, 2026

Google Gemini exposes personal phone numbers

users report that google's gemini chatbot surfaces real phone numbers and personal contact info due to training data contamination.

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personal phone numbers are surfacing in google gemini responses, causing harassment for unsuspecting individuals like a software engineer in israel whose number was given as paybox support. experts attribute these privacy leaks to personally identifiable information being scraped into llm training data. data removal service deleteme observed a 400% spike in customer queries regarding generative ai tools exposing home addresses and contact details. currently, there is no easy way for users to prevent ai systems from retrieving or displaying this private information.

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