Google Sign-In Alerts

Google has started to send email notifications to you when you sign in to a Google account from a different device. Here’s an example of one I received when logging into Google from a Linux netbook while I was already logged in on my desktop PC:

Click image to enlarge

Click image to enlarge

This can happen when you first sign in on a new device, when you use your browser’s incognito mode, when you delete cookies, or when somebody else is accessing your account. If you’re worried that the log-in is not legitimate, you can investigate the details as I described in this previous post.