Udemy data breach
From Breaches, in the HARD wiki · Updated
This article is about the April 2026 breach of Udemy. For every breach, see Breaches.
The Udemy data breach exposed 1,401,259 accounts from udemy.com in April 2026. The data taken includes payment methods, names, physical addresses and email addresses and 3 more kinds of data.[1]
Have I Been Pwned verified it and added it to its search on 26 Apr 2026, within a month. It is the 361st largest of the 618 breaches in HARD’s list.
What was exposed
Udemy’s breach included 7 kinds of data. What each lets criminals do:
| Data | What it’s used for |
|---|---|
| Payment methods | Useful for payment fraud. |
| Names | Makes scam messages personal enough to believe. |
| Physical addresses | Used to prove who you are, and for scam letters and parcels. |
| Email addresses | Expect scam emails that name the company to look genuine. |
| Phone numbers | Expect scam texts and calls, and a higher risk of someone moving your number to their SIM. |
| Employers | Personal details that make scam messages more convincing. |
| Job titles | Personal details that make scam messages more convincing. |
What to do
- Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, Udemy among them, without showing the data.
- Distrust messages that mention Udemy.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.
- Put a PIN on your phone account.Ask your mobile provider for a port-out PIN, so no one can move your number to their SIM.
- Watch your statements.Report anything you don’t recognise to your bank, and ask for a new card if full card numbers leaked.
Timeline
- : the breach, as best it can be dated.
- : Have I Been Pwned verifies the data and adds it to its search, within a month.
Similar breaches
Breaches that leaked the same kinds of data, closest in time:
- Addi, March 2026, 35 million accounts
- McGraw Hill, April 2026, 14 million accounts
- CarGurus, February 2026, 12 million accounts
- Pitney Bowes, April 2026, 8.2 million accounts
- Odido, February 2026, 6.1 million accounts
- ADT, April 2026, 5.5 million accounts
See Breaches for all 618, and Updates for keeping your devices patched.
References
External links
- Have I Been Pwned, to check your email address
- udemy.com, Udemy’s website