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.
| Domain | Entries | Date Breached | Hashing | Privacy | acknowledged? |
|---|---|---|---|---|---|
| https://tumblr.com | 65,469,298 | 2013-02-28 | SHA-1 | Public | Yes |
Information leaked
Email addresses, Passwords
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