Zero Trust
/ˈzɪərəʊ trʌst/
Definition
A security model assuming no user or system is trusted by default — every request must be authenticated and authorised.
Example in context
"Zero trust means even internal service-to-service calls require mTLS — being inside the network isn't enough."
Practice this term
Master Zero Trust in context by working through exercises in the Cybersecurity module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.