Right now you get the message:
Someone (probably you) recently logged in to your account from a new device. If this was you, then you can disregard this message. If it wasn't you, then it's recommended that you change your password, and check your account activity.
For me, I have bots that run off of 3 different servers (not including home testing). Because I have administrative tools on my bot, knowing if my bot is being accessed improperly is critical. Beyond this, most companies provide the data for recent logins to their accounts to the user. This should be no different for this email.