ZERO TRUST ARCHITECTURES: REDEFINING PERIMETER SECURITY IN HYBRID NETWORK ENVIRONMENTS

The security model that relies on perimeter measures is no longer effective in light of new threats, cloud technology, remote work, and bring-your-own-device norms. ZTA is a new direction in cybersecurity, founded on the idea of “never trust, always verify.” This paper provides supplementary material on how ZTO operates theoretically, core principles and practically, in hybrid network environments. It investigates various technologies, including identity and access management, multi-factor authentication, micro-segmentation, and continuous monitoring. The challenges include legacy system integration, user experience and operational overhead. BeyondCorp by Google and a pilot deployment at BNS CYBERLAB are examples of practical applications. Additionally, Ultimately, the paper offers advice on how organizations should move to Zero Trust, with a focus not only on culture but also on policies and technological synergy. ZTA can significantly enhance organizations' ability to protect themselves from emerging cyber threats