protect facebook

How to prevent people from knowing you Follow anyone on Facebook
with the mechanism of public operation on facebook, any information you follow who is public to friends on the list knows. this sometimes causes trouble for users and friends follow when their personal information may leak. the best way is not to let people know who you are following on facebook.
How to identify an unauthorized login IP address of your Facebook account
when someone signs in and uses your facebook account illegally, it will cause a series of serious problems. such as personal information, sensitive information .. your attack. more seriously, they use your facebook account to use it for other purposes ... so the best way is to protect your