Last.fm Data Breach

What happened?

In March 2012, the music website Last.fm was hacked and 43 million user accounts were exposed. Whilst Last.fm knew of an incident back in 2012 , the scale of the hack was not known until the data was released publicly in September 2016. The breach included 37 million unique email addresses, usernames and passwords stored as unsalted MD5 hashes.

When did it happen?

The breach date in the public record is March 22, 2012. The record was added to the catalogue on September 20, 2016 and last updated there on September 20, 2016.

What information was reported as exposed?

• Email addresses
• Passwords
• Usernames
• Website activity

These are incident-level categories. The record does not prove that every category was exposed for every affected person.

Who may be affected?

This record may be relevant to people who had an account or other relationship with Last.fm or used last.fm around March 22, 2012. A catalogue entry does not establish that every customer was affected or that every listed data category applied to each person. Compare the record with an official notice addressed to you.

What should you do?

Choose actions that match the information involved. If you find signs that someone is using your identity, the Federal Trade Commission provides a personal recovery plan at IdentityTheft.gov.