There’s more info on this here: https://research.nccgroup.com/wp-content/uploads/2022/04/NCC_Group_Google_EncryptedBackup_2018-10-10_v1.0.pdf https://research.n

There’s more info on this here: https://research.nccgroup.com/wp-content/uploads/2022/04/NCC_Group_Google_EncryptedBackup_2018-10-10_v1.0.pdf https://research.nccgroup.com/wp-content/uploads/2022/04/NCC... In short we can only verify PINs, and only a very limited number of guesses, enforced by hardware.