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Response snapshot Oct 26, 2026, 21:42 UTC

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Disclosed incidenthibp-udemy

Udemy breach: 1,401,259 accounts exposed

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.

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: Udemy (opens a new tab)

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.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: Udemy (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, April 26). Udemy breach: 1,401,259 accounts exposed. https://kevwire.com/record/hibp-udemy

MLA

"Udemy breach: 1,401,259 accounts exposed." KEVWire, 26 Apr. 2026, kevwire.com/record/hibp-udemy.

Chicago

KEVWire. "Udemy breach: 1,401,259 accounts exposed." Last modified April 26, 2026. https://kevwire.com/record/hibp-udemy.

Evidence summary (plain text)

Udemy breach: 1,401,259 accounts exposed (Apr 26, 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.
Sources:
Have I Been Pwned: Udemy: https://haveibeenpwned.com/Breach/Udemy
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-udemy.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 26, 2026, 21:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2026-04-24; loaded 2026-04-26. Exposed data: Email addresses, Employers, Job titles, Names, Payment methods, Phone numbers, Physical addresses. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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