What happened?
In December 2017, the virtual keyboard application ai.type was found to have left a huge amount of data publicly facing in an unsecured MongoDB instance . Discovered by researchers at The Kromtech Security Center, the 577GB data set included extensive personal information including over 20 million unique email addresses, social media profiles and address book contacts. The email addresses alone were provided to HIBP to enable impacted users to assess their exposure.
When did it happen?
The breach date in the public record is December 5, 2017. The record was added to the catalogue on December 8, 2017 and last updated there on December 8, 2017.
What information was reported as exposed?
- Address book contacts
- Apps installed on devices
- Cellular network names
- Dates of birth
- Device information
- Email addresses
- Genders
- Geographic locations
- IMEI numbers
- IMSI numbers
- IP addresses
- Names
- Phone numbers
- Profile photos
- Social media profiles
These are incident-level categories. The record does not prove that every category was exposed for every affected person.
Who may be affected?
This record may be relevant to people who had an account or other relationship with ai.type or used aitype.com around December 5, 2017. A catalogue entry does not establish that every customer was affected or that every listed data category applied to each person. Compare the record with an official notice addressed to you.
What should you do?
Compare the organization, dates, and information categories with any notice you received. Use contact details you independently confirm.
Treat unexpected breach follow-ups with caution. Do not use links or phone numbers in a suspicious message; contact the organization directly.
Review the affected service and connected accounts for changes you did not make. Keep a copy of the breach notice and your actions.
Choose actions that match the information involved. If you find signs that someone is using your identity, the Federal Trade Commission provides a personal recovery plan at IdentityTheft.gov.
Sources and review information
- Have I Been Pwned breach catalogue record ↗
- Federal Trade Commission: What To Do After a Data Breach ↗
- Federal Trade Commission: Credit Freezes and Fraud Alerts ↗
Page reviewed September 14, 2026 by the Data Breach Help Editorial Team. Catalogue details reflect the provider record and may change.