How do I tell if someone else has used my Apple id
How go I tell if someone else had used my Apple id
iPhone 12, iOS 15
Marking your own post as Solved may prevent others from trying to help because they think you have fixed your problem.
You can only see if someone is actually signed in. Past sign ins aren't tracked.
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. As a precaution, change your password.
Apple ID device list -Check to see where you‘re signed in. *
See who has access to your device or accounts
ASC YouTube for How to reset your Apple ID 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.