Unified SASE (secure access service edge) is a cloud-delivered architecture that converges networking and security into a single, integrated platform. It combines capabilities such as SD-WAN, secure web gateway (SWG), cloud access security broker (CASB), Firewall-as-a-Service (FWaaS), and zero-trust network access (ZTNA) under one unified framework. This approach enables consistent policy enforcement, centralized management, and seamless user experiences across branch offices, remote users, and cloud environments.