OpenAI has confirmed a security breach involving its third-party analytics provider, Mixpanel. The company says the incident was not caused by any vulnerabilities in its systems and did not involve chatbot conversations or sensitive data like passwords.
Here’s what it means for your data: Users are encouraged to be vigilant of phishing-type attacks and social engineering scams that might attempt to leverage stolen data. They can also enable multi-factor authentication as an additional protective measure for their accounts.
The breach resulted in the exposure of limited user data, including names, email addresses, and user identifiers. OpenAI has terminated its use of Mixpanel and plans to enforce stricter security requirements for all external partners.
Security experts say companies should over-protect customer data sent to third parties to avoid breaches like this one. Every piece of identifiable data sent externally creates a potential exposure point.
Source: https://www.euronews.com/next/2025/11/27/openai-confirms-chatgpt-data-breach-here-is-everything-we-know