Data breach
tumblrtumblr.com
65 469 298 accounts exposed in a breach dated 2013-02-28.
Breached2013-02-28Added to HIBP2016-05-29 UTCUpdated by HIBP2016-05-29 UTCAccounts65 469 298Domaintumblr.com
Verified
What happened in Have I Been Pwned’s words
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.
Exposed data as HIBP classifies it
- Email addresses
- Passwords
How HIBP qualifies it
- HIBP verified that the data came from this service.
Source: Have I Been Pwned (CC BY 4.0)
Copied from HIBP 2026-11-05 03:50 UTC