Udemy Data Breach

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 Data

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Breach Overview

  • Affected Addresses:

    1.4M

  • Breach Occurred:

    April 2026

  • Added to HIBP:

    26 Apr 2026

Recommended Actions

Change Your Password

If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used.

Enable Two-Factor Authentication

Wherever 2FA is supported, add an extra layer of security to your account.

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1Password

Use a password manager to generate and store strong, unique passwords for all your accounts. 1Password helps protect your data with industry-leading security.

Try 1Password
Sponsored
Guardio

Trusted by 1.5 million paying customers. Guardio blocks scam calls, texts, emails and websites, and helps you close security gaps in your accounts, so you can go about your day with more peace of mind.

Try Guardio
Sponsored
Aura

Get Aura for identity theft and credit protection. Keep your assets safe with fast fraud alerts, instant credit lock, and $1,000,000 identity theft insurance. Speak to a U.S. based fraud specialist 24/7.

Try Aura