Zero Trust Network Access (ZTNA) is a security model that requires strict identity verification for every person and device trying to access resources on a network, regardless of whether they are inside or outside the network perimeter. This approach contrasts with traditional security models that often assume users inside the network are trustworthy. In ZTNA, no entity is trusted by default, which strengthens overall security by minimizing the risk of unauthorized access and lateral movement within the network.
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