IMDEA Study Finds Claude Sends User Data to Third Parties
October 7, 2026
A privacy study of nine AI chatbots found that Claude's web client forwards user events, chat IDs, and email addresses to services including Facebook, TikTok, and Google. Some data transmission occurs server-side via Segment Analytics, bypassing standard browser-based ad blockers.
HOW THIS AFFECTS YOU
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builderYou must account for these data leakage risks when integrating web-based LLM clients into sensitive workflows.
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policyYou should investigate the implications of server-side data forwarding in LLM client architectures.