Zscaler Internet Access (ZIA) is the leading Zero Trust Network Access (ZTNA) platform, replacing traditional VPNs with a cloud-native architecture that inspects all traffic regardless of user location and provides policy-based access to applications.
Zero Trust Architecture
Zscaler operates the world’s largest security cloud with over 150 data centers globally. All user traffic is redirected through the nearest Zscaler data center, where it is decrypted, inspected, and filtered before being forwarded to its destination.
Key Features
- Zero Trust Network Access (ZTNA)
- Cloud Access Security Broker (CASB)
- SSL/TLS inspection at scale
- Sandbox-as-a-Service
- DNS Security
- Web Security and DLP
- Firewall-as-a-Service (FWaaS)
- Digital Experience Monitoring
Verdict
Zscaler Internet Access is the gold standard for Zero Trust architecture. Organizations moving away from VPNs will find ZIA the most mature and proven ZTNA platform available in 2026.
