Tools / Zero Trust Architecture (ZTA) Interview questions
Why is continuous monitoring more important than one-time authentication in ZTA?
A successful login only proves that valid credentials were presented at one moment in time; it says nothing about what happens afterward. Sessions can be hijacked, tokens can be stolen and replayed, or malware can activate on a device well after the initial authentication succeeded.
Continuous monitoring, using endpoint telemetry, network behavior analytics, and user behavior baselines, is what catches these post-authentication events. It aligns with the core Zero Trust assumption that compromise can occur at any point in a session, not only at the entry point.
Without it, an organization ends up with strong front-door checks guarding a session that, once open, is trusted indefinitely, which defeats much of the purpose of adopting Zero Trust in the first place.
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