Touch Without Touch
You hands are wet. You try to unlock your phone via fingerprint on the home button. FAIL. That's an annoying downside of capacitive scanner technology (on top of spreading germs via touch sensors shared among multiple users).
In what could be a future replacement, read about a French company's new touchless authentication sensor that relies on 3D modeling.
Whether hit-or-miss finger scanners, bleeding-edge tech or trusted OTP, make MFA (multi-factor authentication) mandatory for controlling user access to your critical business systems.