Given the continued expansion of cyber threats; such perimeter-based resistance traditional security strategies have proven to be inadequate. No one is trusted by default, either inside or outside the network, in a Zero Trust architecture. Zero Trust Architecture (ZTA) is a modern security model that demands consistent authentication of users and devices and denies any presupposition of implicit trust. It should also be of strong authorization, network division, and authentication. This article covers the principles, components, pros, and cons along with zero trust implementation strategies and the impact on network security.