Shared secret
Also called: family password, safe word
Course: AP® Cybersecurity Shows up in: Unit 1: Introduction to Security
A word or phrase known only to two people, used to verify each other's identity in high-stakes situations.
Appears in the course and exam description (CED): 1.4.B.1
Why it matters in Unit 1
A cloned voice or video can look and sound right but cannot know the secret.
Example
A grandparent asks the caller for the family word before sending money.
Learn it properly, with a checkpoint 1.4 AI-Based Cybersecurity Attacks