Fitur Security dan Privacy Facebook

You should activate HTTPS and Privacy feature on Facebook if you concern about security. Please follow instructions below to accomplish it.

Open your account setting, go to https://www.facebook.com/editaccount.php or by accessing Accounts -> Account Settings.

On Account security check Browse Facebook on a secure connection (https) whenever possible. Your connection to Facebook will use secure HTTPS whenever posible. 

Check When a new computer or mobile device logs into this account: if you want be notified if somebody else access your account from diferent device. Click save.

Next, go to  https://www.facebook.com/settings/?tab=privacy, you may set your appearance on Facebook network. Its better if your account not open to everyone, so you have more control to whom your account may appear.