I think a thought that came to everyones mind when Apple unveiled the iPhone 5s with a fingerprint scanner was can someone chop off your finger to unlock your iPhone?
This of course always happens on the movies whenever there is biometric security that comes into play, so it is a “valid” concern.
If you ask Mashable the answer to this question would be no, here’s why:
What we now know is that the iPhone’s Touch ID fingerprint sensor uses radio frequency scanning to detect the sub-epidermal layers of your skin, a dynamic that requires the owner of the finger to be alive and attached to the finger being used.
“The [RF capacitive sensor] technology is built in a way that the [fingerprint] image has to be taken from a live finger,” says Sebastien Taveau, chief technology officer at Validity Sensors, a California based provider of fingerprint sensor solutions. “No one in biometrics wants to talk about cut fingers and dead bodies, but at the end of the day we are still asked to remove the fears of consumer and make sure that they understand that [a severed finger] will not work.”
Phew! Now all of those who get an iPhone 5s can sleep at night knowing a thief won’t chop off their finger just to gain access to your precious iPhone data.