Secure Access Service Edge (SASE) is a cloud-delivered service that combines network and security functions with WAN capabilities to support the dynamic, secure access needs of today’s hybrid organizations. Conceptually, SASE extends networking and security capabilities beyond where they’re typically available. This lets users, regardless of location, to take advantage of firewall as a service (FWaaS), secure web gateway (SWG), zero-trust network access (ZTNA), and a medley of threat detection functions.
The term SASE (pronounced “sassy”) was first described by Gartner in an August 2019 report called, “The Future of Network Security in the Cloud.” Gartner notes that in the SASE market trend report, "Customer demands for simplicity, scalability, flexibility, low latency, and pervasive security force convergence of the WAN edge and network security markets.”