Zero Trust SASE: Unified Branch, SSE, and AI Security
Secure every user, branch, IoT/OT device, and AI agent
Zero Trust SASE builds on the industry’s leading SSE platform with a fresh approach to SD-WAN that reduces business risk.
Zscaler Zero Trust SASE converges networking and security into a unified, cloud native platform—so you can connect users, branches, and workloads directly to apps and AI services without expanding your attack surface or enabling lateral threat movement.
Superior Security
Comprehensive security without compromises. Inspect all traffic without compromises.
Lower Cost & Complexity
Connect & secure everything through one integrated platform.
Better User Experience
Real-time, AI-powered visibility and remediation across devices, Zscaler, networks, and applications.
Zscaler Recognized as a Leader in Forrester Wave™: Secure Access Service Edge Solutions, Q3 2025
Our innovative SASE approach earned the top placement on Strength of Strategy.
The Problem
Yesterday's SD-WAN architecture is today's risk
Traditional networking and security models were built for a time when users sat in offices, applications lived in data centers, and the network perimeter defined trust. In that world, backhauling traffic, extending VPN access, and layering on appliances were accepted ways to connect users and protect the business.
But carrying that same model into SASE increases risk. Legacy SD-WAN architectures have too much implicit trust, expanding the attack surface and enabling lateral movement of threads, compromise, and ransomware spread.
Solution Overview
Zero Trust SASE for the AI Era
Zscaler Zero Trust SASE™ is a cloud-native platform that securely connects users and branches to cloud applications. By eliminating the attack surface and preventing lateral movement, Zscaler offers the market’s only true Zero Trust SASE solution, replacing legacy firewall-based approaches.
Benefits
Simplify IT and security
Extend zero trust beyond workforces
Enforce zero trust security for IoT/OT devices, servers, and guests in branches.
Unify security and network access
Implement a single-vendor SASE framework with a simpler, proxy-based architecture.
Improve user experiences
Enforce security as close to users as possible, eliminate unnecessary backhauling, and optimize latency and bandwidth usage.
Reduce cost and complexity
Remove the need for multiple security point products by unifying security with zero trust.
What makes Zscaler Zero Trust SASE Unique
Zscaler Zero Trust SASE uses a cloud-native platform to directly connect users, branches, and workloads to apps, eliminating implicit trust, minimizing attack surface, and preventing lateral movement.
Zero Trust Architecture
Connect users, branches, and devices to applications through the Zero Trust Exchange, not routed networks.
Comprehensive Security
Ensure consistent inspection and policy enforcement across internet, SaaS, and private application traffic.
Unparalleled Performance
Deliver fast, reliable user experiences without the latency of backhauling traffic through data centers or stacks of appliances.
Solution Details
Prepare your organization for the AI era with Zero Trust SASE
Zscaler Zero Trust SASE provides least-privileged access for workforces, devices, workloads, and business partners across managed offices. Made up of six core technologies, it eliminates the need for complex and costly network-based security that fails to prevent breaches.
Zero Trust Branch
Connect and segment branches, campuses, factories and clinics without routed overlays, and shrink your attack surface.
Secure web gateway (ZIA)
Prevent unsecured internet traffic from entering your network, shielding users and employees from cyberthreats, malicious traffic, and more.
Cloud access security broker (Data Security)
Prevent data leaks, regulatory compliance issues, and malware infection by ensuring safe use of cloud apps and services. Increase visibility to help your team see policy violations.
Firewall as a service (Firewall)
Replace physical firewall appliances with a cloud-based FWaaS that delivers advanced next-generation firewall (NGFW) capabilities, including access controls.
Zero trust network access (ZPA)
Ensure trust is never assumed. Give remote users secure connectivity without placing them on your network by granting least-privileged access based on granular policies.
Digital experience (ZDX)
Monitor performance end-to-end, providing smart AI-powered troubleshooting tools for your IT support team to help maintain an exceptional online experience.
Use Cases
Extend secure, dynamic connectivity
Extend cloud-delivered security out to workforces, applications, networks, and endpoints—no matter where they’re located.
Eliminate the need to backhaul traffic to a data center, and deliver a seamless user experience with security at the edge. Connections are brokered at 160+ points of presence worldwide.
Stay on top of threats, no matter how quickly they evolve. Zscaler operates the world’s largest security cloud, with more than 250,000 unique security updates per day.
Inspect and secure every connection. Zero Trust SASE defines security—including threat protection and data loss prevention (DLP)—as an integral part of the connectivity model.
Embracing AI-Powered Policy with Zscaler Zero Trust SD-WAN
The Zscaler Platform
The cybersecurity platform for the AI Age - built on Zero Trust to protect users, workloads, branches and devices through the world’s largest inline security cloud.
Data Security
Secure data everywhere, with comprehensive visibility and controls across all channels.
AI Security
Embrace AI with confidence using Zscaler AI Protect, a unified solution to secure AI at scale.
Agentic SecOps
Draw on insights from the world’s largest inline security cloud and third-party sources to assess risk and detect and contain breaches.
Customer Success Stories
FAQ
Zero Trust SASE redefines network security by integrating AI-driven security service edge (SSE) capabilities with Zero Trust SD-WAN. Unlike traditional SD-WANs, which rely on complex routing and additional appliances, Zero Trust SD-WAN focuses on connecting and securing users and locations without overlay routing or policy inconsistencies. It ensures simplified branch management, robust security, and seamless protection across distributed infrastructures.
SASE combines key networking and security technologies in a cloud-delivered framework. It includes software-defined wide area network (SD-WAN) for connectivity, secure web gateway (SWG) for web security, cloud access security broker (CASB) for cloud protection, zero trust network access (ZTNA) for access controls, and data loss prevention (DLP) for safeguarding sensitive data.
When evaluating SASE providers, focus on solutions that integrate robust SSE capabilities like SWG, CASB, and ZTNA with powerful SD-WAN functionality. Look for scalability, ease of deployment, and seamless integration with cloud services and zero trust frameworks. The ideal provider should offer proven performance, AI-driven threat detection, and centralized management for consistent visibility and control across distributed networks.