
ZTNA vs VPN: Why Zero Trust Network Access Wins for Modern Enterprises
VPN was designed in 1996 for a world where corporate networks had a defined perimeter. Zero Trust Network Access (ZTNA) was designed for a world where the perimeter doesn’t exist — where users work from anywhere, applications live in multiple clouds, and “inside the network” is no longer a meaningful security concept. This guide explains the architectural difference, the identity verification model behind ZTNA, and how to migrate from legacy VPN to a modern ZTNA deployment. ...