> faulty fingerprint sensor
The fingerprint sensor does not make access control decisions, so the fault would have to be somewhere else (e.g. the software code branch structure that decides what to do with the response from the secure enclave).
If you're interested in this in more detail, check this out:
https://blackwinghq.com/blog/posts/a-touch-of-pwn-part-i/
If you're interested in this in more detail, check this out:
https://blackwinghq.com/blog/posts/a-touch-of-pwn-part-i/