The increasing number of successful attacks against biometric identification has led to some security researchers advising that people change the way they think about security measures such as fingerprints and photo ID. Rather than treating them as a replacement for passwords, they should instead be used as a second factor of authentication, or even as something similar to a username: a publicly known piece of information which must be linked to a password before a user can log in.
Source: Hacker fakes German minister’s fingerprints using photos of her hands | Technology | The Guardian