Computer Science / Unit 6 CS 0322 short lesson, about 20 seconds
Authentication
Captions available
The idea
Authentication checks whether a user's credentials match a database of authorized users — traditionally a password, long and hard to guess, held in a database that itself demands protection.
In practice
An account login is one lookup against one guarded list.
Where people slip
The password database is a target precisely because it works.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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