What was exposed, when it happened, and which databases confirm it.
- accounts
- 1,401,259
- Breached
- April 24, 2026
- Last Update
- April 26, 2026
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
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.
Compromised Info
- Email addresses
- Employers
- Job titles
- Names
- Payment methods
- Phone numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the Udemy breach?
The Udemy breach exposed: Email addresses, Employers, Job titles, Names, Payment methods, Phone numbers, and Physical addresses.
When did the Udemy breach happen?
The Udemy breach was disclosed on April 24, 2026 and affected 1,401,259 records.
Am I affected by the Udemy breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Udemy leak.