tumblr data breach: 65.5M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2016-05-29
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: email addresses, passwords. The breach dates from Feb 28, 2013; Have I Been Pwned loaded it on May 29, 2016.
What to do
- If you had a tumblr account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch