Zscaler, Inc. () is an American

cloud security Cloud computing security or, more simply, cloud security, refers to a broad set of policies, technologies, applications, and controls utilized to protect virtualized IP, data, applications, services, and the associated infrastructure of cloud com ...

company based in

San Jose, California San Jose, officially the City of San José ( ; ), is a cultural, commercial, and political center within Silicon Valley and the San Francisco Bay Area. With a city population of 997,368 and a metropolitan area population of 1.95 million, it is ...

. The company offers cloud-based services to protect enterprise networks and data.

History

Zscaler was founded in 2007 by Jay Chaudhry and K. Kailash. The company launched its cybersecurity platform in 2008. In August 2012, Zscaler secured $38 million in funding from

investors An investor is a person who allocates financial capital with the expectation of a future return (profit) or to gain an advantage (interest). Through this allocated capital the investor usually purchases some species of property. Types of in ...

. The company's second funding round, led by TPG Capital, raised $100 million in August 2015. In March 2018, the company had an

initial public offering An initial public offering (IPO) or stock launch is a public offering in which shares of a company are sold to institutional investors and usually also to retail (individual) investors. An IPO is typically underwritten by one or more investm ...

(IPO) in which it raised $192 million. The company is traded on the

Nasdaq The Nasdaq Stock Market (; National Association of Securities Dealers Automated Quotations) is an American stock exchange based in New York City. It is the most active stock trading venue in the U.S. by volume, and ranked second on the list ...

using the symbol ZS. Zscaler stock was added to the

Nasdaq-100 The Nasdaq-100 (NDX) is a stock market index made up of equity securities issued by 100 of the largest non-financial companies listed on the Nasdaq stock exchange. It is a modified capitalization-weighted index. The stocks' weights in the inde ...

index on December 17, 2021.

Zero Trust Exchange

Zscaler's Zero Trust Exchange platform features cyberthreat protection, data protection, zero trust connectivity, and business analytics. It was first announced at Zenith Live in June 2023. In January 2024, the company announced Zscaler Zero Trust SASE (secure access service edge), enabling it to offer its first single-vendor SASE. It is built on the company's AI-powered SSE platform to securely connect users, locations, and cloud services through its Zero Trust Exchange. It also offers a cloud-based cybersecurity platform, Zscaler Internet Access.

Acquisitions

Zscaler acquired the AI and machine-learning technology of TrustPath in August 2018; the browser security company Appsulate for $13 million in May 2019; cloud security posture management startup Cloudneeti in April 2020; and microsegmentation firm Edgewise Networks in May 2020. The company purchased cybersecurity startup Trustdome in April 2021; Indian cybersecurity startup Smokescreen Technologies in May 2021; and cloud security firm ShiftRight for $25.6 million in September 2022. On February 14, 2023, Zscaler announced it would acquire Israeli application security company Canonic, a company focused on protecting against attacks that target software as a service. In March 2024, the company acquired Israel-based data security startup Avalor, which uses AI to analyze data in search of identifying security vulnerabilities, for $310 million; and network segmentation startup Airgap Network, for an undisclosed amount. On May 17, 2025, Zscaler announced it would acquire Red Canary for an undisclosed amount. Red Canary is a US based provider of Managed Detection and Response services.

References

External links

* {{authority control Computer security companies specializing in botnets Computer forensics Content-control software Companies based in San Jose, California Software companies based in the San Francisco Bay Area American companies established in 2007 Cloud computing providers 2007 establishments in California Software companies established in 2007 Computer security companies 2018 initial public offerings Companies listed on the Nasdaq Software companies of the United States