A cybersecurity model based on the principle that no user or device, whether inside or outside an organization’s network perimeter, should be implicitly trusted.
Mechanism
Access is granted only after strict verification of identity, device posture, and authorization for every access request, regardless of its origin. This involves micro-segmentation, multi-factor authentication, and continuous monitoring of all interactions.
Methodology
Security architects implement policies requiring explicit verification for every access attempt, assuming compromise is possible. This minimizes the attack surface and restricts lateral movement for attackers within a network, enhancing security in distributed and decentralized environments by removing inherent trust.
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