Facebook is working on improving face verification software, an alternative to fingerprints for verifying someone’s identity. There are ways to get around both fingerprint scanners and facial recognition systems, using dummy fingers created from lifted fingerprints, or realistic masks created from photographs of someone’s face.
The linked article gets into Facebook’s efforts and their goal to recognize faces as well as you do.
This article, Behind the mask of biometric security, gets into the details of fooling such systems. Don’t miss the video on this one.