OpenAI API Customers’ Names, Emails, & Extra Uncovered in Huge Mixpanel Data Breach

OpenAI has confirmed a brand new data breach involving Mixpanel, a third-party analytics supplier beforehand used to watch exercise on platform.openai.com, the frontend for its API product. In an replace, the corporate claims that its personal techniques weren’t compromised, and that the content material, API utilization, passwords, cost particulars, and authorities IDs are protected.

As reported, on November 9, 2025, Mixpanel detected unauthorized entry to a part of its techniques. The attacker exported an analytics dataset containing identifiable data of some OpenAI API customers. Mixpanel then apparently notified OpenAI, which launched an investigation.

By November 25, 2025, the affected dataset was confirmed. Solely API platform customers are mentioned to be impacted by this security breach. In different phrases, ChatGPT and different OpenAI merchandise weren’t affected.

The uncovered knowledge included:

• Names related to OpenAI API accounts
• E-mail addresses
• Approximate location (metropolis, state, nation)
• Working system and browser used
• Referring web sites
• Group or person IDs linked to accounts

OpenAI has since eliminated Mixpanel from its manufacturing setting and reviewed the affected datasets. Customers and organizations doubtlessly impacted by the security breach are being immediately notified. The corporate has additionally ended its engagement with Mixpanel and is conducting security opinions throughout all vendor companions to strengthen protections.

As a security guard, you could stay vigilant towards phishing and social engineering makes an attempt. OpenAI won’t ever request passwords, API keys, or verification codes through e mail or chat. Extra importantly, we suggest enabling multi-factor authentication (MFA). In case you’ve any queries associated to the security breach, you may attain OpenAI’s help crew at [email protected]⁠.

Rishaj is a tech author who has been writing professionally for over 4 years, with a ardour for Android, Home windows, and all issues tech. He initially joined Home windows Report as a tech journalist and is now taking on as a information editor. When he isn’t breaking the keyboard, you will discover him cooking, or listening to music/podcasts.