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Further, since biometric data like fingerprints and facial recognition information is static — meaning it can't be changed by affected consumers in the way that passwords can — once it's been leaked, it creates a more permanent security problem than the breach of a mutable key, such as a PIN. As banks increasingly use biometric data for authentication, the Biostar 2 vulnerability should serve as a warning to them. Biometrics have the potential to be very useful to banks: They're quick to use, impossible for customers to forget, and can act as an extra layer of authentication.
That's what applying for a mortgage will probably look like soon