"Fingerprint authentication" refers to the process of using fingerprints as a way to confirm or verify someone's identity. It uses the unique patterns on a person's fingertips to allow access to a device, system, or information. Full definition
The company says that the secret mode can also be used with fingerprint authentication for ensuring that only authorized users can access sensitive data when the device is in protected mode. (techtimes.com)
Of course, that doesn't make it any less frustrating for potential buyers there, who were hoping to take advantage of the security features and convenience of fingerprint authentication on the device. (neowin.net)
Consumers have the option to use fingerprint authentication on their phones but many default to the typical PIN — something we know is easily stolen. (finextra.com)