Breach date: 2024-09-17. Added to this index: 2024-10-08. Accounts affected: about 1.9M. Domain: muah.ai.
What happened
In September 2024, the "AI girlfriend" website Muah.AI suffered a data breach. The breach exposed 1.9M email addresses alongside prompts to generate AI-based images. Many of the prompts were highly sexual in nature, with many also describing child exploitation scenarios.
Breach data sourced from Have I Been Pwned, used under CC BY 4.0. Additional breach metadata provided by XposedOrNot. DataExposed is an independent service and is not affiliated with or endorsed by either.
What was exposed
AI prompts: The text you typed into an AI assistant, along with the replies, stored as conversation history by the provider. People paste far more into these boxes than they realise.
Email addresses: The email address you used to register or log in. It is the most common field in breaches because it doubles as your username on most sites.
Sexual fetishes: Sexual interests, kinks or preferences you listed or searched on an adult, dating or fetish platform, sometimes with messages, photos or profile details.
What to do now
Check whether your own address is in this dataset with the free email breach check.
Review the accounts connected to this service and turn on two-factor authentication.
Turn on two-factor authentication on your email account first, because it is the reset path for everything else.
Treat calls and messages that quote real details about you as hostile until you verify them another way.
Frequently asked questions
What data was leaked in the Muah.AI breach?
The Muah.AI breach exposed AI prompts, Email addresses, Sexual fetishes. About 1.9M accounts were affected.
Was I affected by the Muah.AI breach?
Run the free email breach check with the address you used on that service. It will tell you whether your address appears in this dataset.
What should I do about the Muah.AI breach?
Treat any message that quotes details from this breach as suspicious, turn on two-factor authentication, and consider removing your details from people-search sites if your address or phone was included.