tumblr
Disclosed May 12, 201610 years ago65,469,298 accountsUnverified
Tumblr reveals 2013 breach of emails and passwords, 65 million accounts
Tumblr disclosed that it had learned of a 2013 breach of a set of user email addresses and salted, hashed passwords without giving a count; analysis of the data put it at about 65 million accounts.
What is known
| People affected | 65,469,298 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | May 12, 2016 |
| Happened | Feb 28, 2013 |
| Attack | Hacking |
| Data exposed | Emails, Passwords |
| Sector | Tech · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
| Source | |
|---|---|
| Have I Been Pwned: tumblrhaveibeenpwned.com · Aggregator | Aggregator |
| Hackers Stole 65 Million Passwords From Tumblr, New Analysis Revealsvice.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | May 12, 2016 | |
| Have I Been Pwnedaccounts in the data | May 29, 2016 | 65,469,298 |
History of this record
- 2026-09-25 · source_type: aggregator to press · seed source
- 2026-09-25 · source_url: https://haveibeenpwned.com/Breach/Tumblr to https://www.vice.com/en/article/hackers-stole-68-million-passwords-from-tumblr-new-analysis-reveals/ · seed source
- 2026-09-25 · country: empty to US · seed source
- 2026-09-25 · attack: unknown to hacking · seed source
- 2026-09-25 · disclosed: 2016-05-29 to 2016-05-12 · seed source
- 2026-09-25 · summary: In early 2013, tumblr suffered a data breach which resulted in the exposure of over 65 million accounts. The data was later put up for sale on a dark market website and included email addresses and passwords stored as salted SHA1 hashes. to Tumblr disclosed that it had learned of a 2013 breach of a set of user email addresses and salted, hashed passwords without giving a count; analysis of the data put it at about 65 million accounts. · seed source
- 2026-09-25 · title: empty to Tumblr reveals 2013 breach of emails and passwords, 65 million accounts · seed source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.