I got an email from noreply@email.apple.com and I checked the sender so it was truly from apple. I signed in to my accaunt and it was true. Someone had signed in and it was true. So it is not a scam. It is actually an acccount which I do not use now but how can someone sign in. I had a strong password.
You can remove the device using the steps in the article below. As a precaution, change your password.
Apple ID device list -Check to see where you‘re signed in.
Apple ID Password Change.
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.
You might want to consider changing your password and making sure it is a strong one. You can also add 2 Factor Authentication to your account for more security. If the attempts continue, you might want to consider a name change.
Link to contact Apple Support in the article.
Apple ID has been compromised.
Apple ID Password Change.
Note the restrictions in the article.
Apple ID Name Change.
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.
Apple ID -Two-factor authentication
Two Factor Authentification availability.
2 Factor Authentication - How to generate a recovery key
Apple ID - Using app-specific passwords.
Your Apple ID was used to sign in to iMessage on a MacBook Pro 13
