AppleID
I got the following message today - Your AppleID and phone number are now being used for iMessage and FaceTime on a new iPad. - How do I address this - I have no new iPad.
Question marked as
Check your device list to see if there is a device signed in that you don't recognize. You can remove the device using the steps in the article below.
Apple ID device list -Check to see where you‘re signed in
As a precaution, I suggest you change your password.
What to do after you change your Apple ID or password - Apple Support I suggest doing this before you change your Apple ID or password.