A fingerprint scanner is a small electronic device that guards your computer from intruders. You place your fingertip on the reader; it scans your fingerprint and compares it to the prints stored in ...

Qualcomm has pulled the covers off a new ultrasonic in-screen fingerprint scanner that is an improvement over its predecessor that was introduced in the Samsung Galaxy S10 and Galaxy Note 10 families.

From Disney World to the smartphone in your pocket, fingerprint scanners have become commonplace these days. Even budget phones sport the tech, sometimes alongside other biometric unlocking options ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...