There are several actions before Facebook hijacked, one of them is often change password or password Facebook. Or, if accessing Facebook on someone else's computer, do not forget to log out.
But if it is hit by a hack, which can be done is to send a report to Facebook so that it is immediately dealt with and generally the action that Facebook account is blocked.
It's worth every access Facebook open or search for years whether Facebook we accessed though others. Here's how to find out if our Facebook accessed by others as quoted from various sources.
Access Facebook on computer
There are times when we forget to log out a Facebook account when accessing it on someone else's computer. So that have a computer when accessing Facebook will definitely go to our Facebook account that has not been logged out.
Meanwhile, to find out whether our Facebook accessed by others or not by opening the option settings / settings on Facebook. After that click 'security and login' or 'Security and Login', if you can check it in 'Where You Go' or 'Where You're Logged In'. There, you can view the history of the place / location and device used to access your account, whether via PC or mobile.
Access Facebook via mobile
To access via mobile or smartphone and the like, that is through the application that has been downloaded. After opening Facebook through the app, click the menu located in the right corner and usually use the three-line icon. Choose Account Settings, then click Security and Login, and check Where You're Logged In.
If you suspect that someone is accessing your Facebook account, it's better to immediately change the password.