What Is SASE? Secure Access Service Edge

SASE (Secure Access Service Edge) is a converged cloud framework (Gartner 2019) that combines SD-WAN + ZTNA + SWG + CASB + FWaaS + DNS Security in a unified SaaS platform. It is delivered from global POPs. Adoption surged after COVID.

Components

• SD-WAN: intelligent connectivity
• ZTNA: Zero Trust access to private applications
• SWG (Secure Web Gateway): web proxy
• CASB (Cloud Access Security Broker): SaaS control
• FWaaS: cloud firewall
• DNS Security: filtering (such as Umbrella)
• DLP: data exfiltration prevention
• RBI: browser isolation

Leading Vendors in 2026

• Zscaler: pure-play SSE leader
• Palo Alto Prisma Access: comprehensive SASE
• Cato Networks: single-vendor SASE
• Netskope: established CASB provider
• Cisco Secure Access
• Fortinet FortiSASE
• Cloudflare One
• Versa Networks

SSE vs SASE

• SSE: security only (ZTNA + SWG + CASB + FWaaS)
• SASE: SSE + SD-WAN
• For enterprises with an existing SD-WAN: SSE only

Pricing

• SSE: 10-18€/user/month
• Full SASE: 22-35€/user/month

Order from OPTINOC

SASE/SSE consulting + deployment. Zscaler, Palo Alto, Fortinet, Cisco, Cato. 90-day POC. Quote within 48 hours.