https://motherboard.vice.com/en_us/article/qv3n77/iphone-x-face-id-mask-spoof

Last week, researchers at the Vietnamese cybersecurity firm Bkav announced that they had made a mask that could fool the iPhone X’s facial recognition system, Face ID. The mask consists of a 3D-printed frame, a silicone nose that was hand-sculpted by artists, and a few photos that were layered on top of the mask.

The mask only required about $150 worth of materials, but don’t expect to see everyone creating security-destroying masks at home any time soon. The mask also required a sophisticated facial scanning system to get the features just right, as well as the work of a professional artist to tweak the nose so it would fool Face ID.