Immediately deliver a software update that remedies the various steps in the attack.
The victims loose all iCloud data including all photos of sometimes ten years or more. There needs to be another layer to protect backups.
Have two pins like with the SIM cards with pin and puk. Should actually be something that apple should have thought of from the getgo.
I wouldn't mind it a bit if biometric face id triggers every time I need to read a validation sms or use a security sensitive app, even if the phone is unlocked.
time lock important changes like biometric info or anything that may result in an account takeover.
Also don’t allow the pin for some operations (or let you disable this). E.g. for viewing passwords or other sensitive operations besides login, it’d be safer for me to not allow pin access and only Face ID.