Doesn't look very difficult to me: https://arstechnica.com/gadgets/2013/09/chaos-computer-club-hackers-trick-apples-touchid-security-feature/ https://arstechnic

Doesn't look very difficult to me: https://arstechnica.com/gadgets/2013/09/chaos-computer-club-hackers-trick-apples-touchid-security-feature/ https://arstechnica.com/gadgets/2013/09/chaos-computer-club-... And the fingerprints -- you leave them on your devices.