Jefit
HIGH RISKData breach — August 2020
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.
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What happened in the Jefit data breach?
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.
The exposed data included 4 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was Jefit hacked?
Yes. Jefit was breached in August 2020. The breach exposed 9,052,457 records including email addresses, ip addresses, passwords. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the Jefit breach so dangerous?
The Jefit breach exposed 9,052,457 records — that is 9.1M people whose personal data is now circulating on the dark web. The combination of email addresses, ip addresses, passwords makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your Jefit password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Jefit breach?
Email addresses — used for phishing attacks and credential stuffing against your other accounts
IP addresses — combined with other data, used for identity theft and physical fraud
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Usernames — used to build profiles and target you with personalised scams
Is the Jefit breach still dangerous in 2026?
Yes. Stolen data from the Jefit breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2020 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your Jefit password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the Jefit breach
Approximately 9,052,457 user records were exposed in the Jefit breach in August 2020.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Jefit password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full Jefit dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Jefit password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the Jefit breach?
The Jefit data breach affected approximately 9,052,457 users who had accounts with the service. While not the largest breach on record, it still represents a significant number of compromised accounts in our database of 970+ known breaches.
If you ever created an account with Jefit or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the Jefit breach
Change your Jefit password immediately
Go to Jefit and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Jefit and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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