Preventative control
Course: AP® Cybersecurity Shows up in: Unit 2: Securing Spaces
A security control function that stops an attack before it happens, such as locks and encryption.
Appears in the course and exam description (CED): 2.1.F.3
Why it matters in Unit 2
Function answers when the control acts.
Example
A turnstile that admits one badge at a time.
Learn it properly, with a checkpoint 2.1 Cyber Foundations