how can i tell which devices have access to my iCloud account?
My ex-wife seems to be able to read all my iMessages. How do I verify that she doesn't have access to them on my old computer at her house?
Mac mini, iOS 9.2.1
How do I verify that she doesn't have access to them on my old computer at her house?
In the following sequence,
- Take possession of that computer and erase it completely.
- Change your Apple ID password.
In accordance with (1) above, you may elect to download and install OS X subsequent to erasing its content. Follow these instructions: How to reinstall OS X on your Mac - Apple Support. When doing so, do not supply your Apple ID credentials.
You should also ensure to your satisfaction that no backups of that Mac's hard disk drive contents exist (obviously). It may not be possible for you to do that.