How to check if my Facebook account is currently logged in by a stranger?

Step 1: Go to the 'Settings' section on Facebook.

Step 2: Select Security and login.

Step 3: When you're done, you'll see who is logged in to your Facebook account via location and display device name. 

Follow the instructions as the picture

If you see a device that is not yours, you can click and log out or you can log out of all devices to ensure safety and change a new password.

Need to change Faecbook password if an unknown device logs in

Besides, you can enhance the security of your Faecbook password by changing the password to more complex characters, for example: haohao24061996 :)). Passwords should avoid user-related information or easy-to-guess common strings such as abcd and 1234.

Enhance security by turning on two-factor authentication

In addition, to avoid being hacked on Facebook, you can turn on the Two-factor Authentication feature, so that when a stranger deliberately logs into your account, Facebook will ask for the authentication code sent to your phone. friend. Without this code, Facebook would not allow login to the account.