There are widespread reports of Apple users being locked out of their Apple ID overnight for no apparent reason, requiring a password reset before they can log in again.
Users say the sudden inexplicable Apple ID sign-out is occurring across multiple devices. When they attempt to sign in again they are locked out of their account and asked to reset their password in order to regain access.
This has led to additional Apple ID issues for users with Stolen Device Protection enabled who are away from a trusted location, as well as any app-specific passwords previously set up in iCloud also being reset…
Apple users are being locked out of their Apple IDs with no explanation