I have a 2018 MacBook Pro 15 running Mojave and from time to time I see this annoying iCloud popup saying I'm not logged in and that I have to enter my AppleID password. I have TouchID set up and use it to unlock the Mac and all the other things listed in the system preferences.
Is it possible to use touch id to sign in to iCloud?
Best Answer
Not at this time.
Currently, TouchID allows you to
About Touch ID advanced security technology
You may see this in a future update, but (IMO) it acts like a second factor in a 2FA authentication when trying to gain access into your iCloud account.