Zscaler is a publicly traded cloud security company (NASDAQ: ZS) that pioneered the secure access service edge (SASE) architecture. The company’s Zero Trust Exchange platform processes over 400 billion transactions daily, securing users, workloads, and devices.

Zero Trust Exchange Platform

Zscaler’s cloud-native platform replaces legacy network security appliances:

Zscaler Internet Access (ZIA)

Secure internet and SaaS access:

  • Secure Web Gateway (SWG) with SSL inspection
  • Cloud Access Security Broker (CASB)
  • Data Loss Prevention (DLP)
  • Cloud firewall and IPS
  • Sandboxing for malware analysis

Zscaler Private Access (ZPA)

Zero trust network access for private applications:

  • Application segmentation without network segmentation
  • User-to-application connectivity (not network-to-network)
  • Eliminates VPN attack surface
  • Browser isolation for unmanaged devices

Zscaler Digital Experience (ZDX)

End-to-end visibility for user experience:

  • Application performance monitoring
  • Network path analysis
  • Device health metrics
  • Troubleshooting workflows

Zscaler for Workloads

Cloud workload protection:

  • Workload-to-internet security
  • Workload-to-workload segmentation
  • Cloud connector deployment
  • Multi-cloud support (AWS, Azure, GCP)

Zero Trust Architecture

Zscaler’s architecture embodies zero trust principles:

Never Trust, Always Verify

  • Every request is authenticated and authorized
  • Context-aware access decisions (user, device, location, content)
  • Continuous trust evaluation

Minimize Attack Surface

  • Applications invisible to the internet
  • No inbound connections to corporate network
  • Direct-to-cloud architecture eliminates backhauling

Assume Breach

  • Full SSL/TLS inspection for all traffic
  • Inline threat prevention
  • Deception technology integration

Financial Performance

As a public company (NASDAQ: ZS), Zscaler reports quarterly:

  • FY2025 Revenue: $2.67 billion (23% YoY growth)
  • ARR: Over $3.2 billion
  • Customers with $1M+ ARR: 698 (20% YoY growth)
  • Fortune 500 Coverage: Over 45%
  • Global 2000 Coverage: Approximately 40%

Leadership

  • Jay Chaudhry, CEO, Chairman, and Founder
  • Remo Canessa, CFO
  • Amit Sinha, President and Chief Product Officer
  • Robert Schlossman, Chief Legal Officer

Market Position

Zscaler is a Leader in:

  • Gartner Magic Quadrant for Security Service Edge (SSE)
  • Gartner Magic Quadrant for Secure Web Gateway
  • Forrester Wave for Zero Trust Edge Solutions

The company reports that over 40% of Fortune 500 companies use Zscaler.

Strategic Vision

Zscaler’s vision centers on replacing traditional network security with a zero trust cloud platform. Key initiatives include:

  • AI-powered security: Machine learning for threat detection and policy optimization
  • Business analytics: Leveraging security telemetry for business insights
  • Platform expansion: Growing into adjacent security domains
  • Global infrastructure: Expanding data center footprint for performance