One-time password (OTP)
Also called: OTP, login code
Course: AP® Cybersecurity Shows up in: Unit 1: Introduction to Security
A code that works for a single login or a short time, often sent by text or an authenticator app as a second factor.
Appears in the course and exam description (CED): 1.1.C.21.2.C.3
Why it matters in Unit 1
Anyone holding a valid OTP can log in as you, so never share one, even with “support”.
Example
A 6-digit code arrives by text when you sign in on a new laptop.
Learn it properly, with a checkpoint 1.2 Suspicious Website Logins