Udemy
MEDIUM RISKData breach — April 2026
In April 2026, online training company Udemy was the victim of a “pay or leak” extortion attempt perpetrated by the ShinyHunters group. The data was subsequently leaked publicly and contained 1.4M unique email addresses belonging to customers and instructors. The data also included names, physical addresses, phone numbers, employer information and instructor payout methods including PayPal, cheque and bank transfer.
search Check if you were affected — freeData exposed in this breach
What happened in the Udemy data breach?
In April 2026, online training company Udemy was the victim of a “pay or leak” extortion attempt perpetrated by the ShinyHunters group. The data was subsequently leaked publicly and contained 1.4M unique email addresses belonging to customers and instructors. The data also included names, physical addresses, phone numbers, employer information and instructor payout methods including PayPal, cheque and bank transfer.
The exposed data included 7 types of personal information. Learn more about what a data breach means for you.
Quick answer — was Udemy hacked?
Yes. Udemy was breached in April 2026. The breach exposed 1,401,259 records including email addresses, employers, job titles. 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 Udemy breach so dangerous?
The Udemy breach exposed 1,401,259 records — that is 1.4M people whose personal data is now circulating on the dark web. The combination of email addresses, employers, job titles makes this a medium-risk breach that should be addressed promptly.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Udemy breach?
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Employers — may be combined with other breach data to build a profile for targeted attacks
Job titles — may be combined with other breach data to build a profile for targeted attacks
Names — used to build profiles and target you with personalised scams
Payment methods — may be combined with other breach data to build a profile for targeted attacks
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the Udemy breach still dangerous in 2026?
Yes. Stolen data from the Udemy 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 2026 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 Udemy 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 Udemy breach
Approximately 1,401,259 user records were exposed in the Udemy breach in April 2026.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Udemy 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 Udemy dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Udemy 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.
How this breach page is reviewed
Breach pages are generated from structured breach records and reviewed for practical risk guidance. Risk labels are based on exposed data types and are meant to help readers prioritize action.
Who was affected by the Udemy breach?
The Udemy data breach affected approximately 1,401,259 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 979+ known breaches.
If you ever created an account with Udemy 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 Udemy breach
Change your Udemy password immediately
Go to Udemy 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 Udemy 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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