authentication

noun

The process of proving your identity in order to access a computer system or network.

Example sentence

“The app requires authentication before you can view your account.”

"Two-factor authentication" is the phrase most people now meet this word in. Security jargon shortens it to "auth".

Related words

biometricConnected with identifying people through their physical characteristics, such as fingerprints.spamUnwanted messages, usually advertisements, sent out in bulk by email or other electronic means.fingerprintThe pattern of ridged skin on the tip of a finger, which is different for every person.phishingThe crime of using a fake identity online to get past security and trick people out of private information.passcodeA sequence of letters or numbers entered to unlock a device or prove your identity.hackerSomeone who breaks into computer systems or networks without permission, often to steal data or cause damage.