By looking at the Recent Activity Dashboard, you can determine if you’ve been the only one logging into Google Services and quickly put a stop to it by changing your password on the fly.
To sign out of all sessions except the one you have open in front of you, click Sign out all other web sessions.You may or may not be prompted to login to your Google Account again. It’ll direct you to enter your current password and your new password.If prompted, enter your e-mail address and password to continue. Don’t ignore your gut instinct when looking at the data presented in the Google Recent Activity Dashboard. You’ll also need to confirm your new password to continue.We also display your current IP address so that you can compare it to the IP addresses in the list.If you are using a mobile device the location displayed is likely to be inaccurate.