Artificial intelligence (AI) company OpenAI was impacted by a third-party breach affecting analytics company Mixpanel, ...

Revealed on Thanksgiving Eve, the incident serves as a reminder that we're all responsible for exploring additional security options.

OpenAI has ceased using Mixpanel after a security incident led to user information leaks from the vendor. However, users of ChatGPT and other products were not affected. Compromised data may include ...

Mixpanel first detected the unauthorized access on Nov. 9, 2025. Investigators later confirmed that an attacker had exported a dataset containing customer-identifiable metadata. The provider supplied ...

If you receive a notification from ChatGPT provider OpenAI that one of its partners has suffered a data breach, ...

ChatGPT maker places other vendors under review following breach OpenAI says API users may be affected by a recent breach at ...

OpenAI has confirmed that limited API user data was exposed following a security breach at Mixpanel. While no sensitive data, API keys, or payment information were compromised, some profile details of ...

OpenAI has alerted users about a security breach involving its API products, which might have exposed non-sensitive personal information through a third-party service, Mixpanel. An unauthorized ...

OpenAI reported that a breach at analytics vendor Mixpanel exposed limited personal data belonging to some API users.

That mainstream deployment shaped user expectations in a way that later transitions struggled to accommodate. In August 2025, when OpenAI initially replaced GPT-4o with its much anticipated then-new ...