Every public data breach

44 disclosed this week · 26,355 on record

Last.fm

Disclosed Jun 7, 201237,217,682 accountsUnverified

Last.fm confirms user passwords leaked alongside LinkedIn and eHarmony

Last.fm, owned by CBS, announced that passwords used on its site were among those leaked on a Russian hacker forum in June 2012.

What is known

People affected37,217,682 (accounts in the leaked data, per Have I Been Pwned)
DisclosedJun 7, 2012
HappenedMar 22, 2012
AttackHacking
Data exposedEmailsPasswords
SectorMedia · US
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
source_type2026-09-25
aggregator to pressby seedSource
source_url2026-09-25
https://haveibeenpwned.com/Breach/Lastfm to https://www.cnet.com/news/what-the-password-leaks-mean-to-you-faq/by seedSource
country2026-09-25
empty to USby seedSource
sector2026-09-25
tech to mediaby seedSource
disclosed2026-09-25
2016-09-20 to 2012-06-07by seedSource
summary2026-09-25
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 to Last.fm, owned by CBS, announced that passwords used on its site were among those leaked on a Russian hacker forum in June 2012.by seedSource
title2026-09-25
empty to Last.fm confirms user passwords leaked alongside LinkedIn and eHarmonyby seedSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

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