What happened?
In August 2020, the workout tracking app Jefit suffered a data breach . The data was subsequently sold within the hacking community and included over 9 million email and IP addresses, usernames and passwords stored as either vBulletin or argon2 hashes. Several million cracked passwords later appeared in broad circulation.
When did it happen?
The breach date in the public record is August 11, 2020. The record was added to the catalogue on April 27, 2021 and last updated there on April 27, 2021.
What information was reported as exposed?
- Email addresses
- IP addresses
- Passwords
- Usernames
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 Jefit or used jefit.com around August 11, 2020. 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.
Change exposed or reused passwords, begin with your email account, and turn on multi-factor authentication where available.
Treat unexpected breach follow-ups with caution. Do not use links or phone numbers in a suspicious message; contact the organization directly.
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.