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Zscaler
Network Security

Zscaler Company Overview

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Zscaler

● Active
Network Security · San Jose, California · Est. 2007
SASEZero TrustCloud SecuritySSENetwork Security↗ Website
$17.9B
Valuation
$2.64B
Revenue
7k+
Employees
2007
Founded

Zscaler is a cloud-native cybersecurity company that provides its Zero Trust Exchange platform, securing internet, SaaS, and private application access for enterprise users and devices without traditional VPNs or network perimeter defenses. Founded in 2007 and headquartered in San Jose, California, Zscaler serves over 8,500 enterprise customers including 40% of the Fortune 500, operating the world's largest security cloud with over 500 trillion daily signals processed.

Recent Press
5 items
Press Release·2026-03-12
Zscaler Significantly Expands Global Sovereignty on Zero Trust Exchange Platform
Zscaler added new regional control-plane deployments across Europe, APAC, and North America to support data residency requirements, with a Canada rollout including in-region SSL inspection and private service edge options.
Press Release·2026-02-20
Zscaler and Bharti Airtel Launch AI & Cyber Threat Research Center in India
Zscaler partnered with Bharti Airtel to open a dedicated AI and cybersecurity research center in India on February 20, 2026, focused on advancing national cyber resilience and accelerating trusted AI adoption across the region.
Acquisition·2026-02-05
Zscaler Acquires SquareX to Extend Zero Trust Browser Security for the AI Era
Zscaler closed the acquisition of browser security startup SquareX on February 5, 2026, integrating its AI-powered browser isolation and threat detection capabilities into the Zero Trust Exchange platform.
Press Release·2025-11-18
Zscaler Joins Microsoft Entra Agent ID Partner Ecosystem
Zscaler was announced as an early partner in Microsoft's Entra Agent ID ecosystem on November 18, 2025, integrating Zero Trust controls with Microsoft Entra to help enterprises manage, authenticate, and govern AI agents at enterprise scale.
Acquisition·2025-11-03
Zscaler Acquires SPLX to Secure the Enterprise AI Lifecycle
Zscaler acquired AI security pioneer SPLX on November 3, 2025, bringing shift-left AI asset discovery, automated red teaming, and agentic AI governance capabilities into the Zero Trust Exchange platform.
Company History
9 milestones
Jay Chaudhry founded Zscaler in San Jose, California with a vision to rebuild network security from the ground up as a cloud-native service, eliminating the need for physical appliances.

Zscaler Organization Structure & Team

Org Chart
7,400 employees · Click a leader to explore their team
7,000 across 12 departments
Chief Executive Officer
Jay Chaudhry
Kevin Rubin — Departments
· 7000 people across 12 depts

Zscaler Financials, Revenue & Market Share

Annual Revenue
$2.64B
+26% vs prior year
YoY Growth
+26%
From $0.67B to $2.64B
Revenue / Employee
$357K
Annual revenue per full-time employee
Revenue Growth
2021
2022
2023
2024
2025
$0.67B
$1.09B
$1.62B
$2.17B
$2.64B
Market Share
Security Service Edge (SSE)
34%
share
Zscaler
34%
Palo Alto Networks
22%
Cisco
15%
Broadcom (Symantec)
10%
Netskope
7%
$60B
TAM
$25B
SAM
$2.6B
SOM
Revenue Streams
Zscaler Internet Access (ZIA)58%
Zscaler Private Access (ZPA)27%
Platform & Emerging Products15%
Business Units
Zero Trust Exchange (ZTE)100%
Single unified cloud platform encompassing all Zscaler products, delivered via 150+ global data centers, with ZIA and ZPA as primary revenue drivers and platform modules as upsell layers.

Zscaler Internal Tools & Processes

Internal Tools
12 departments
Engineering2200 people · 4 roles
Standards & Certifications
10 standards
Compliance frameworks, security audits, and quality certifications this company maintains.
Security
ISO 27001
Certified
Zscaler maintains ISO 27001 certification across its Zero Trust Exchange cloud infrastructure, demonstrating rigorous information security management for the 150+ global data centers processing over 500 trillion daily signals.
Security
SOC 2 Type II
Certified
Zscaler's Zero Trust Exchange platform is SOC 2 Type II certified, providing enterprise customers with independent verification that Zscaler's security, availability, and confidentiality controls meet AICPA Trust Service Criteria.
Regulatory
FedRAMP High
Certified
Zscaler's Government Cloud is FedRAMP High authorized, enabling U.S. federal agencies and defense contractors to use ZIA and ZPA for securing classified and sensitive government workloads.
Regulatory
DoD IL4/IL5
Certified
Zscaler holds DoD Impact Level 4 and IL5 authorizations, allowing defense agencies and cleared contractors to route controlled unclassified information through the Zero Trust Exchange platform.
Privacy
GDPR
Compliant
Zscaler's Zero Trust Exchange complies with GDPR data processing requirements, including regional data sovereignty options in the EU that keep SSL inspection and logging within European borders as required by customers.
Security
FIPS 140-2
Certified
Zscaler's cryptographic modules are FIPS 140-2 validated, ensuring all data-in-transit encryption within the Zero Trust Exchange meets U.S. federal government standards for sensitive data protection.
Regulatory
PCI DSS
Compliant
Zscaler supports PCI DSS compliance for enterprise customers by providing policy enforcement, SSL inspection, and DLP controls that protect cardholder data traversing through the ZIA and ZPA platforms.
Privacy
HIPAA
Compliant
Zscaler's cloud platform is designed to support HIPAA-compliant workflows for healthcare customers, with DLP policies, audit logging, and access controls that protect electronic protected health information (ePHI).
Security
CSA STAR Level 2
Certified
Zscaler holds Cloud Security Alliance STAR Level 2 certification, providing an independent third-party audit of security controls specific to cloud service providers in its Zero Trust Exchange delivery model.
Regulatory
StateRAMP
Certified
Zscaler's platform is StateRAMP authorized, enabling U.S. state and local government agencies to use ZIA and ZPA to secure their networks and meet state-level cloud security compliance requirements.

Zscaler Interview Preparation

Interview Prep
Role-specific interview questions and keywords. Select a department, then click any role to prepare.
Engineering· 4 roles

Zscaler Products & Competitors

Product Suite
6 products · select one to explore
Network Security
Security
Zscaler Private Access (ZPA)
Zero Trust access to private apps — no VPN needed

Zscaler Private Access is a cloud-delivered Zero Trust Network Access (ZTNA) service that connects users to private applications in data centers and cloud environments without placing them on the network. ZPA grants least-privilege access based on user identity and context, eliminating lateral movement risk and replacing legacy VPNs.

Use Cases
Replacing corporate VPN for hybrid workers accessing internal apps and development environmentsSecuring third-party contractor access to internal systems without network-level exposureProtecting M&A integrations by connecting acquired company users to applications without network merges
Zscaler Private Access (ZPA)
Key Customers
HNK
Henkel
SAN
Sanmina
LM
Liberty Mutual
Competitive Intelligence
VSCisco AnyConnect
THEM

Cisco AnyConnect is a VPN and endpoint security client used by enterprise employees to securely connect to corporate networks from remote locations, with support for multi-factor authentication and endpoint posture checks.

EDGE

Agent-free access with no backhauling — users connect directly to apps, not the network

VSPalo Alto Prisma Access
THEM

Palo Alto Prisma Access is a cloud-delivered SASE platform providing secure remote access, SWG, CASB, and ZTNA for remote workers and branch offices connecting to enterprise applications and the internet.

EDGE

Broader app connector ecosystem with policy-based micro-segmentation at the application layer

VSZerto
THEM

Zerto is a disaster recovery and cloud data protection platform providing continuous replication and near-instant recovery for workloads across on-premises, cloud, and hybrid environments.

EDGE

Purpose-built ZTNA with AI-powered anomaly detection and integrated deception technology

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