Can we use faces as passwords?

Passwords are a tricky business, with thousands of people forgetting them every day, and some being hacked or guessed. The University of York has tested the idea of using recognisable faces which are unique to us, instead of written passwords, as proof of our identity. Rob Jenkins, a psychologist who lead the study, tells Kat Arney more... Like this podcast? Please help us by supporting the Naked Scientists