If you have an account for commenting on Lifehacker, io9, Gizmodo, Jezebel, or any of the other Gawker Media sites and didn't log in using Facebook Connect, you can use this site to find out if your account login information was posted as a result of the security breach over the weekend. (via Making Light)
Even if your account doesn't appear to be on the list, of course it's safest to assume that your password was compromised and should be changed.
Even if your account doesn't appear to be on the list, of course it's safest to assume that your password was compromised and should be changed.