Breachesby Glyphtumblr
Disclosed May 12, 201665,469,298 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 | EmailsPasswords |
| 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
Notices filed
History of this record
aggregator to pressby seedSource
https://haveibeenpwned.com/Breach/Tumblr to https://www.vice.com/en/article/hackers-stole-68-million-passwords-from-tumblr-new-analysis-reveals/by seedSource
empty to USby seedSource
unknown to hackingby seedSource
2016-05-29 to 2016-05-12by seedSource
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.by seedSource
empty to Tumblr reveals 2013 breach of emails and passwords, 65 million accountsby seedSource
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.