Models
November 27, 2025

OpenAI sees API data breach via Mixpanel hack

A Mixpanel breach exposed limited analytics data of some OpenAI API users, including names and emails, but no sensitive information such as passwords, API keys, or chat content was compromised.

A security incident at Mixpanel, an analytics provider used by OpenAI, resulted in the exposure of limited data belonging to certain OpenAI API users. The leaked dataset included basic profile information such as names, email addresses, approximate location based on browser data, device details, and user or organization IDs. OpenAI confirmed that none of its own systems were breached and that no sensitive data like passwords, API keys, payment information, chat history, or usage logs was exposed. OpenAI has discontinued using Mixpanel, notified impacted users, and advised increased awareness regarding phishing or social engineering attempts.

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