6.5 million encrypted passwords posted on a Russian web forum, where hackers were invited to help decrypt them. LinkedIn confirmed that it had withdrawn all compromised passwords and sent affected users instructions on how to reset their passwords. Security experts have advised anyone using the same login details for LinkedIn and eHarmony as they do on other sites to change their passwords on those sites as a precaution. Last.fm also warned its millions of users to change passwords immediately after reports of a possible leak of passwords.”]
Source: https://www.computerweekly.com/news/2240151900/eHarmony-Lastfm-join-LinkedIn-with-password-leaks