Gawker Media, home to Lifehacker, Gizmodo, Gawker, Jezebel, io9, Jalopnik, Kotaku, Deadspin, and Fleshbot was hacked over the weekend.
If you made any comments on any of those sights, change your password. Also, if your account is connected to facebook and uses the same password, change your password on Facebook also.
Also , it would be a good idea to audit all of your accounts and change all of your passwords in general. Not wait for a data breach.
Lifehacker has setup and FAQ to help understand and how to change your passwords.
Gawker Media seems to be taking responsibility and will help anyone who is concerned about account security.