It can be nearly the worst sensation to have–a creeping dread that an unknown person has entered the room you’re in, who you can’t see. When you turn around, there’s nobody there. But it’s even worse when you turn around and there is someone there. This can happen with your online life when you have an account hijacked, potentially silently, and parties known or unknown to you are rifling through your data or monitoring you.
An Apple ID is no exception. But you can track both principal threats (other devices and logins) and secondary ones (apps and other services) sharing access. You should check which devices and phone numbers are associated with your Apple ID and then do a general audit with Safety Check, introduced in September 2022.
Read more at Macworld.com