Tools / Zero Trust Architecture (ZTA) Interview questions
What is the core principle behind Zero Trust?
The core principle is "never trust, always verify." Instead of granting broad access once a user logs in or a device joins the network, Zero Trust re-checks identity, device state, and context for every individual request to a resource.
Trust is treated as something that must be earned continuously, not something granted permanently at the start of a session. A user who authenticated successfully five minutes ago can still be denied access to a new resource if their device posture changed or their behavior looks anomalous.
This shifts security thinking from "who is allowed past the gate" to "does this specific request, right now, meet policy."
"Never trust, always verify" means access decisions are:
A user authenticated minutes ago can still be denied access if:
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