Zscaler, Inc.

Cloud SecurityFounded 2007

Market Data Current As Of: September 12, 2026

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Zscaler, Inc.

Cloud SecurityFounded 2007

Reviewed by Swet Parvadiya

Last reviewed: September 12, 2026

Market Data Current As Of: September 12, 2026

Company History

Zscaler: Founding, Growth & Key Milestones

Founded 2007 in San Jose, California, United States

Founding Story

Jay Chaudhry and K. Kailash founded Zscaler in 2007 with the view that security would need to move from enterprise appliances to a cloud-native platform. The company went public in 2018 and became one of the defining names in zero trust and security service edge.

Founders

Jay Chaudhry

K. Kailash

Key Milestones

2007

Zscaler founded

Jay Chaudhry and K. Kailash founded Zscaler to deliver enterprise security from the cloud.

2018

Zscaler goes public

Zscaler completed its Nasdaq IPO under the ticker ZS.

2020

Zero trust demand accelerates

Remote work and cloud migration increased demand for ZTNA and security service edge architectures.

2025

Fiscal 2025 revenue reaches $2.673 billion

Zscaler reported $2.673115 billion of fiscal 2025 revenue and $726.7 million of free cash flow.

2025

Red Canary acquisition closes

Zscaler highlighted the Red Canary acquisition as part of its threat detection and response expansion.

2026

Q3 fiscal 2026 ARR reaches $3.525 billion

Zscaler reported $850.5 million of Q3 fiscal 2026 revenue and $3.525 billion of annual recurring revenue.

Major Acquisitions

Canonic Security

2023

Zscaler acquired Canonic Security, an Israeli startup, in 2023 to add SaaS supply chain security capabilities. Canonic's technology helped organizations identify and manage risks from third-party applications connected to their SaaS environments, addressing the growing threat of supply chain attacks.

Avalor

2024

Zscaler acquired Avalor, an Israeli risk management platform, for approximately $350 million in 2024. Avalor provided risk quantification, data fabric technology, and security analytics that helped organizations prioritize vulnerabilities and measure security posture.

Airgap Networks

2024

Zscaler acquired Airgap Networks in 2024 to add network segmentation capabilities. Airgap's technology provided agentless microsegmentation that prevented lateral movement within networks, complementing Zscaler's zero trust architecture.

Red Canary

2025

Zscaler acquired Red Canary, a leading managed detection and response (MDR) provider, in August 2025. Red Canary combined high-fidelity signals with AI, behavioral analytics, and global threat intelligence to deliver fast, accurate threat detection and response across endpoints, identity, network, and cloud workloads.

Zscaler Company History FAQ

What are the defining historical milestones for Zscaler, Inc.?

Since its establishment in 2007, Zscaler, Inc. expanded from an early-stage venture into a recognized leader in Cloud Security, Zero Trust, SASE, and Security Service Edge, overcoming key market challenges.

What major strategic pivots shaped Zscaler, Inc.'s evolution?

Over its history, Zscaler, Inc. executed decisive strategic pivots toward scalable monetization and digital distribution, securing its current market leadership.

How has Zscaler, Inc. adapted to recent industry disruptions?

By continually modernizing operations and embracing workflow automation, Zscaler, Inc. maintains resilience through changing technological and economic cycles.

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Explore Zscaler

Core profile pages, annual revenue records, and related research hubs for this company.

Key Milestones

2007

Zscaler founded

Jay Chaudhry and K. Kailash founded Zscaler to deliver enterprise security from the cloud.

2018

Zscaler goes public

Zscaler completed its Nasdaq IPO under the ticker ZS.

2020

Zero trust demand accelerates

Remote work and cloud migration increased demand for ZTNA and security service edge architectures.

2025

Fiscal 2025 revenue reaches $2.673 billion

Zscaler reported $2.673115 billion of fiscal 2025 revenue and $726.7 million of free cash flow.

2025

Red Canary acquisition closes

Zscaler highlighted the Red Canary acquisition as part of its threat detection and response expansion.

2026

Q3 fiscal 2026 ARR reaches $3.525 billion

Zscaler reported $850.5 million of Q3 fiscal 2026 revenue and $3.525 billion of annual recurring revenue.

Major Acquisitions

Canonic Security

2023

Avalor

2024

Airgap Networks

2024

Red Canary

2025

Zscaler Company History FAQ

What are the defining historical milestones for Zscaler, Inc.?

What major strategic pivots shaped Zscaler, Inc.'s evolution?

Over its history, Zscaler, Inc. executed decisive strategic pivots toward scalable monetization and digital distribution, securing its current market leadership.

How has Zscaler, Inc. adapted to recent industry disruptions?

By continually modernizing operations and embracing workflow automation, Zscaler, Inc. maintains resilience through changing technological and economic cycles.