What alternatives exist for Autologout in D7
You can just lower the cookie lifetime in your settings.php file as a temporary solution.


  Set session cookie lifetime (in seconds), i.e. the time from the session is created to the cookie expires, i.e. when the browser is expected to discard the cookie. The value 0 means "until the browser is closed.


ini_set('session.cookie_lifetime', 2000000);