The world's most deployed Security Service Edge (SSE). ZIA replaces legacy firewalls and proxies with a cloud-native zero trust proxy that inspects 100% of TLS/SSL traffic at scale—protecting every user, on every device, from every location.
400B+
Transactions inspected daily
100%
TLS/SSL traffic inspected
150+
Countries with coverage
2,000+
Global threat intel partners
Zscaler Internet Access (ZIA) delivers a true zero trust proxy architecture built on the Zscaler Zero Trust Exchange™—the world's largest inline security cloud. Unlike legacy firewall-centric approaches, ZIA connects users directly to the internet and SaaS applications without putting them on the corporate network, dramatically reducing your attack surface while delivering a fast, consistent experience from anywhere.
What's included in this SKU
AI-powered URL filtering, malware detection, and real-time threat intelligence to deliver a safe, fast web experience for every user.
Decrypt, inspect, and re-encrypt 100% of SSL/TLS traffic at cloud scale using the Single Scan, Multi-Action™ engine—without performance degradation.
Stop ransomware, botnets, C2 callbacks, zero-day threats, phishing, cross-site scripting, and malicious active content in real time.
Full Layer 7 firewall with an integrated Intrusion Prevention System (IPS) providing threat coverage against botnets and zero-day exploits.
Filter malicious domains, detect and block DNS tunneling, and stop data exfiltration over DNS before it reaches the internet.
Detonate unknown files and code in an isolated environment with AI-powered instant verdicts—stopping unknown malware before it reaches users.
Prioritize business-critical applications and throttle recreational or non-business traffic to ensure optimal performance.
Detect patient-zero phishing attacks with AI that analyzes page content, behavior, and intent in real time—not just known bad URLs.
Inspect user prompts submitted to generative AI tools like Microsoft Copilot and ChatGPT, enforcing data protection policies inline.
Stream granular log data to your on-premises SIEM or cloud log aggregator in real time with the Nanolog Streaming Service.
Eliminate backhaul. ZIA connects users directly to the internet from 160+ data centers globally, delivering a fast, consistent experience.
Gain full visibility into unsanctioned cloud app usage, enforce tenancy restrictions, and control data flows across thousands of SaaS apps.
ZIA replaces the complexity of branch firewalls, proxy appliances, and VPN concentrators with a single cloud service—reducing costs while dramatically improving security posture.
Replace legacy secure web gateways
Decommission on-premise Blue Coat, Symantec, or Cisco WSA appliances with a cloud-native SWG.
Protect hybrid workforces
Enforce identical security policies for remote, branch, and in-office employees without backhauling.
Secure GenAI adoption
Enable safe use of ChatGPT, Copilot, and other AI tools with inline inspection and data loss prevention.
SASE foundation
Use ZIA as the internet access pillar of a complete SASE architecture alongside ZPA.
No contracts. Low minimums. Monthly invoicing. Start protecting clients today.