Secure Access Service Edge converges network and security functions — SD-WAN, ZTNA, CASB, SWG, and FWaaS — into a single cloud-delivered architecture that enforces consistent policy for users, devices, and branches regardless of location. Gartner's SASE framework has become the dominant enterprise network-security buying motion, with the global market projected to exceed $25 billion by 2027 as organisations retire legacy MPLS and on-premise firewall stacks.
Related: Zero Trust ZTNA · CASB · Secure Web Gateway · Firewall as a Service · Remote Browser Isolation