The hacker Group Lulzsec Security hacked into 62,000 private Internet accounts including Facebook, PayPal, dating sites, Xbox Live and Twitter.

See the CBC article “Facebook, PayPal users urged to check logins after hacking“:

http://www.cbc.ca/news/technology/story/2011/06/17/pei-lulzsec-personal-internet-accounts-584.html

There is a link to a Dazzlepod page referenced in the above article, which lists email addresses of hacked accounts; check to see if your accounts are on the list!