If you have accounts on any of the sites mentioned above, check your username and e-mail address against the database using the tool found hereThis weekend, Gawker Media's servers were hacked, leaving many user accounts and their corresponding passwords vulnerable. Nearly 1.25 million accounts, including more than 500,000 user e-mails and more than 185,000 decrypted passwords, were posted to the Pirate Bay. Right now, some hackers appear to be using those usernames and passwords to tweet about Acai Berries.
If your username or e-mail address returns a match, you are urged to change your password on any and all sites that you use to prevent anyone from getting into your other accounts.
As a side note, furaffinity.net is currently offline because one of their admins' information was part of this. If you have a furaffinity account, but not an account with a Gawker media website, you are safe. Furaffinity ownership has assured users that admins do not have access to user passwords. The site has only been taken offline to prevent anyone from altering site code.