Company Overview

Zscaler was founded in 2007 by Jay Chaudhry (CEO) and K. Kailash, headquartered in San Jose, California. As a pioneer and leader in cloud security and zero trust, Zscaler invented the Zero Trust Network Access (ZTNA) concept and its practical implementation, becoming the first to deliver a fully cloud-native security-as-a-service platform that transformed enterprise security architecture from traditional perimeter defenses to zero-trust models.

The company went public in 2018 on NASDAQ (ticker: ZS), reaching a peak market capitalization of over $30 billion. Zscaler serves more than 5,000 enterprise customers across finance, healthcare, government, and technology sectors, processing over 200 billion security transactions daily on one of the world's largest cloud security platforms.

Related providers: Zscaler Security Services

Core Products

Product Description
Zscaler Internet Access (ZIA) Secure Web Gateway (SWG) with cloud firewall, DNS security, SSL inspection, sandbox analysis, and DLP data loss prevention, replacing traditional web proxies and firewalls
Zscaler Private Access (ZPA) Zero Trust Network Access (ZTNA) — connects users to applications, not the network, hiding internal IPs and enforcing least-privilege access
Zscaler Digital Experience (ZDX) Digital experience monitoring for real-time visibility into SaaS application performance and remote access quality
Zscaler AI AI-powered security analytics engine using machine learning to automatically detect threats, optimize policies, and predict risks
Zscaler Workload Protection Cloud workload security covering containers and VMs across multi-cloud environments (AWS, Azure, GCP)

Technology Leadership

  • SASE/SSE Architecture: Recognized as a Leader in both Gartner Magic Quadrant for SASE and SSE for multiple consecutive years
  • Cloud-Native Platform: 100% cloud-native architecture with 150+ global data centers forming a zero-trust exchange network — no hardware appliances required
  • TLS/SSL Inspection: Industry-leading TLS 1.3 decryption capability for inspecting encrypted traffic at scale
  • AI-Native Integration: Zscaler AI embedded into the security policy engine for automated threat detection and response

Competitive Landscape

Zscaler competes directly with the following vendors in the Gartner SSE and SASE Magic Quadrants:

  • Palo Alto Networks (Prisma Access): Offers zero-trust and cloud security through Prisma SASE
  • Netskope: A fellow SSE leader with unique strengths in data security and CASB
  • Cloudflare: Provides security and zero-trust services via its global network
  • Cisco (Umbrella): DNS-layer security and SWG capabilities
  • Forcepoint: Differentiated in data security and human-centric security