Bit.ly na swoim blogu:
We have reason to believe that Bitly account credentials have been compromised. We have no indication at this time that any accounts have been accessed without permission. For our users’ protection, we have taken proactive steps to ensure the security of all accounts, including disconnecting all users’ Facebook and Twitter accounts. All users can safely reconnect these accounts at their next login.
Please take the following steps to secure your account: change your API key and OAuth token, reset your password, and reconnect your Facebook and Twitter accounts.
Podsumowując: trzeba zmienić hasło, API i OAuth oraz odłączyć i ponownie podłączyć konta Twittera i Facebooka.