MWC 2016: Clay digit fools smartphone fingerprint sensors
24 February 2016 Last updated at 00:35 GMT
A sensor manufacturer has demonstrated how a fake finger can fool a smartphone's fingerprint sensor at its booth at the Mobile World Congress tech show.
Vkansee, which manufactures high-resolution fingerprint readers, told the BBC that lower-resolution sensors could be fooled by fingers made of modelling clay.
The BBC's Chris Foxx asked the Chinese company's president whether criminals would really take the time to make a mould of a victim's finger to clone it.