Salt
Course: AP® Cybersecurity Shows up in: Unit 4: Securing Devices
A unique random value hashed with each user's password so identical passwords produce different hashes.
Appears in the course and exam description (CED): 4.2.A.6
Why it matters in Unit 4
Defeats precomputed rainbow tables.
Example
Two users with the same password get different stored hashes.
Learn it properly, with a checkpoint 4.2 Authentication