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.
Quick answer — was Udemy breached?
Yes. Udemy was breached in April 2026, exposing 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.
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.
Why was the Udemy breach so dangerous?
The Udemy breach exposed 1,401,259 records — 1.4M people whose personal data is now circulating in criminal markets.
Don't wait to find out — check if your email was exposed in this breach.
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
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. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2026 are still actively used in automated attacks today.
Personal information like email addresses, phone numbers, and dates of birth does not expire. Even if you changed your Udemy password, the other exposed data can be combined with information from other breaches to target you. Learn how long stolen data stays dangerous.
What to do if your email was in the Udemy breach
Change your Udemy password immediately
Log into Udemy and change your password to something strong and unique — one you have never used anywhere else.
Change any account sharing that password
If you reused this password elsewhere, change it on every affected account. Attackers test stolen credentials against 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 access the account without the second factor.
Check your other accounts for this breach
Run a full email scan to see every breach your address appears in — not just this one.
Check all my breaches — freeFrequently asked about the Udemy breach
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How do I check if my email was in the Udemy breach?
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How this breach page is reviewed
Breach pages are built from structured breach records and reviewed for practical risk guidance by EmailLeaked. Risk labels reflect exposed data types and are intended to help readers prioritise action.
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