OpenAI says API users may be affected by a recent breach at its former data analytics provider, Mixpanel. Limiting the exposure somewhat, only users of OpenAI's platform – its tools to develop AI-powered products – are affected. Typical users of ChatGPT need not worry unless they too use the API. Mixpanel detected the data breach on November 9 and shared the dataset with OpenAI on November 25. The data types involved pertain to profile information associated with OpenAI platform accounts and includes names, email addresses, approximate locations, operating system and browser details, referring websites, and organization or user IDs associated with the account. OpenAI said it dropped Mixpanel as a result of the attack and is carrying out wider security reviews across its vendor ecosystem, elevating the requirements for each. It said in an announcement: "As part of our security investigation, we removed Mixpanel from our production services, reviewed the affected datasets, and are working closely with Mixpanel and other partners to fully understand the incident and its scope. We are in the process of notifying impacted organizations, admins, and users directly. While we have found no evidence of any effect on systems or data outside Mixpanel's environment, we continue to monitor closely for any signs of misuse. "Trust, security, and privacy are foundational to our products, our organization, and our mission. We are committed to transparency, and are notifying all impacted custo...
OpenAI cuts off Mixpanel after analytics leak exposes API users
The Register
·Connor Jones
·Published Nov 27, 2025
·Updated
Affected Software
1 affected component
OpenAI platform
Frequently Asked Questions
1
What is the main topic of this article?
The article discusses OpenAI's decision to terminate its relationship with Mixpanel following a data leak that exposed API users.
2
What security implications are discussed?
The breach at Mixpanel raises concerns about unauthorized access to data belonging to users of OpenAI's platform.
3
What products or software are affected?
Users of the OpenAI platform, specifically those utilizing its tools for developing AI-powered products, are affected by the breach.
4
Why did OpenAI stop using Mixpanel?
OpenAI cut ties with Mixpanel due to a security breach that compromised the data of its API users.
5
What steps is OpenAI taking in response to the breach?
OpenAI is notifying affected users and assessing the implications of the Mixpanel breach on their data.