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§ Public · San Jose, CA, USA
Zscaler is a technology company.
Zscaler provides a cloud-native security platform connecting users and devices directly to applications, bypassing traditional network defenses. Its Zero Trust Exchange, a distributed platform, integrates secure web gateway, cloud access security broker, and data loss prevention. This architecture consistently inspects all traffic, enabling secure access from any location.
The company was founded in 2008 by Jay Chaudhry, an experienced network security entrepreneur. Chaudhry recognized traditional perimeter defenses were inadequate for the emerging cloud and mobile workforce. His insight was to build a security platform as a cloud service, securing access regardless of user or application location.
Zscaler serves global enterprises across diverse industries, supporting secure digital transformation. Its vision is to foster a safer digital future by enabling organizations to leverage cloud and mobility. This is achieved by securely connecting users to applications and data via a pervasive zero trust model, continuously verifying all access.
Zscaler has raised $173.0M across 3 funding rounds.
Key people at Zscaler.
Zscaler was founded in 2008 by Kailash Kailash (Chief Architect and Founder) and Jay Chaudhry (Founder & CEO).
Zscaler has raised $173.0M in total across 3 funding rounds.
Key people at Zscaler.
Zscaler was founded in 2008 by Kailash Kailash (Chief Architect and Founder) and Jay Chaudhry (Founder & CEO).
Zscaler has raised $173.0M in total across 3 funding rounds.
Zscaler's investors include Gene Frantz, Nehal Raj, Accelerator Ventures, Bain Capital, Battery Ventures, Cervin Ventures, Lightspeed Venture Partners, Sapphire Ventures, Anshu Sharma, Bob Pasker, EMC.
Zscaler is a leading cloud-native cybersecurity company that provides the Zscaler Zero Trust Exchange platform, enabling secure connections between users, devices, and applications regardless of location, device, or network.[1][2][3] It serves large enterprises across industries like finance, healthcare, government, and consumer goods—such as 4 of the top 5 conglomerates and 5 of the top 5 household care companies—solving the problem of inadequate traditional perimeter security in a cloud-first, mobile world by delivering zero trust access, threat detection, and data protection at massive scale (over 500 billion daily requests and 100 million threats detected).[1][2][3][5] With headquarters in San Jose, California, over 1,500 employees, and a global presence in more than 150 data centers, Zscaler (NASDAQ: ZS) powers IT transformation through products like Zscaler Internet Access for secure web gateways and Zscaler Private Access for app-specific segmentation, driving growth via a "land and expand" model where customers adopt more modules over time.[1][2]
Founded in 2007 by CEO Jay Chaudhry, Zscaler emerged from the foresight that rapid cloud adoption and workforce mobility would render traditional perimeter-based security obsolete, leading to poor protection and user experience.[1][2] Chaudhry, drawing from his background in cybersecurity entrepreneurship, pioneered a distributed security cloud architecture to address these gaps, starting with a vision to securely connect users to applications from any device or location.[1][3] Early traction came from proving the network effect of its cloud—detecting and blocking threats across its entire customer base in minutes—which accelerated adoption among global enterprises and fueled evolution into the comprehensive Zero Trust Exchange platform.[1][2]
Zscaler rides the zero trust and cloud security wave, capitalizing on the shift from perimeter defenses to identity-based access amid rising cyberattacks, remote work, and SaaS proliferation.[2][3][4] Its timing aligns perfectly with post-pandemic digital transformation, where enterprises modernize legacy infrastructure for agility—Zscaler's platform accelerates this by protecting cloud workloads and enabling seamless access, influencing the ecosystem through shared threat intel that elevates industry-wide resilience.[1][3][5] Market forces like regulatory demands for data privacy and the explosion of edge devices (IoT/OT) favor its scalable, always-on model, positioning it as a leader transforming cybersecurity from reactive to proactive.[2][6]
Zscaler's dominance in zero trust positions it for sustained growth as enterprises fully embrace cloud-native security, with expansions into AI-driven threat hunting, OT/IoT protection, and deeper SaaS integrations likely driving revenue via its proven land-and-expand strategy.[2][3] Trends like escalating ransomware, quantum threats, and hybrid work will amplify demand for its scalable cloud, potentially evolving its influence toward ecosystem orchestration—partnering with hyperscalers and sharing more ThreatLabz insights to redefine secure digital transformation.[1][5] As the pioneer securing tomorrow's innovations, Zscaler exemplifies how visionary cloud architecture empowers organizations in an always-connected world.[3][6]
Zscaler has raised $173.0M across 3 funding rounds. Most recently, it raised $25.0M Series D Extension in September 2015.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Nov 9, 2025 | Oleria | $19.0M Other Equity | — | Evolution Equity Partners, Salesforce Ventures, Tapestry VC |
| Jun 1, 2023 | Cyware | $30.0M Series C | TEN Eleven Ventures | Canaan Partners, Cyberstarts VC, Spark Capital, Michael FEY, Advent International, Emerald Development Managers, Great Road Holdings, Prelude Ventures |
| Mar 1, 2021 | Cyware | $30.0M Series B | Eric Noeth, TEN Eleven Ventures | AIR Street Capital, Andreessen Horowitz, Insight Partners, Alexandre Dalyac, Alex Kayyal, Zehan Wang, Emerald Development Managers, Great Road Holdings, Prelude Fund |
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Sep 23, 2015 | $25M Series D Plus | Gene Frantz | — | Announced |
| Aug 1, 2015 | $110M Series B | Nehal RAJ | Accelerator Ventures, Bain Capital, Battery Ventures, Cervin Ventures, Lightspeed Venture Partners, Sapphire Ventures, Anshu Sharma, BOB Pasker, EMC | Announced |
| Aug 1, 2012 | $38M Series A | Lightspeed Venture Partners | Accelerator Ventures, Bain Capital, Battery Ventures, Cervin Ventures, Sapphire Ventures, Anshu Sharma, BOB Pasker | Announced |