Computer Science / Unit 6 CS 0321 short lesson, about 20 seconds
The Protection Triad
Captions available
The idea
A protection mechanism has three aspects: authentication identifies the party behind each action, authorization determines which parties may do what, and access enforcement applies both — one flaw compromises the whole.
In practice
A records room checks who arrives, what they may pull, then holds the door.
Where people slip
Three strong parts with one gap equal zero.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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