Secure, simplify, and transform your enterprise

Zscaler offers comprehensive security, data protection, visibility and control — 100% in the cloud.

Zscaler provides 100% cloud delivered internet security


Zscaler achieves near-perfect results in independent security testing.

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Average risk level results from people like you: VERY HIGH

Zscaler Security Preview tool checks your level of security with its instant risk assessment

How secure are you?

Check your security with our instant risk assessment, Security Preview. It’s free, confidential and safe. 85% of companies who run this test find vulnerabilities that require immediate attention.

Secure, policy-based access to any cloud or Internet application from anywhere, on any device

No hardware, no software, no headaches.


Protect all users and all devices from the most sophisticated and advanced threats.


Gain visibility and control over cloud applications and shadow IT. Enhance user experience for business applications using bandwidth control.


Prevent intellectual property and corporate data from being stolen or lost.

The world’s largest security cloud with multi-tenant, distributed architecture





Zscaler is used by more than 5,000 leading organizations,
including 50 of the Fortune 500

Fugro Logo
It's one of those few products that actually does what it says on the tin. Zscaler was born in the cloud. It lives in the cloud. Therefore, it's much easier for them to maintain and grow their service.
Tony Rimmer, Chief Security Officer, Fugro
Johnson Controls Logo
I would say the easiest thing about Zscaler was the deployment. You sign the contract one day, and it was just there the next. I didn't have to wait for software, I didn't have to wait for a box or anything.
Rich Littel, Global Vendor Relations, Johnson Controls

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Find out how Zscaler can help you create a safer and more productive work environment.

Zscaler in the news

Meet Larry Biagini, Zscaler's new chief technology evangelist and former CTO at GE

“One thing about being retired is that you get to pick and choose the things you do. The way that Zscaler looks at the world is exactly the way I look at the world. We don’t have to argue about where we’re going.”
Larry Biagini, chief technology evangelist at Zscaler

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CISO Bets on Cloud Security Services to Protect Data

“The biggest thing that we get is speed to deployment and stability. No longer do I have to have a team that has to worry about upgrading the hardware or the OS, or fooling with any of that.”
John Graham, CISO, Jabil, Fortune 500 Rank #155

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Fortune talks cloud security with Andy Brown, our newest Board member and former executive for UBS, Bank of America and Credit Suisse

“We agreed that if the future was going to be the cloud, then security and policy management would have to move to the cloud.”
Andy Brown, CEO and Co-founder, Sand Hill East

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Industry experts agree that Zscaler is a leader in cloud security

The SC Awards’ Winner (2016) — Zscaler Best Cloud Computing Security

The SC Awards’ Winner (2016) — Best Cloud Computing Security

Zscaler Cloud Firewall won the Best Cloud Computing Security Solution award by SC Magazine.

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Zscaler a leader in the Gartner Magic Quadrant — 5 years in a row

5 Years Running: A Leader in the Gartner Magic Quadrant for Secure Web Gateways

2015 Gartner research positions Zscaler in the Leaders Quadrant for Secure Web Gateways.

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GARTNER is a registered trademark and service mark of Gartner, Inc. and/or its affiliates in the U.S. and internationally, and is used herein with permission. All rights reserved.

Zscaler a leader in the Forrester Wave

Get on board! Zscaler a leader in the Forrester Wave

Forrester recognizes Zscaler with highest score among all vendors in the current offering, strategy and market presence categories.

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On-Demand Webcast

Office 365 is all the rage – but is your network ready?

Join Dr. Manoj Apte, Senior Vice President of Product Management, Zscaler Inc., for a thought provoking webcast discussing key considerations to be aware of before you deploy Office 365.

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Ransomware - Protect or Pay

Join Patrick Foxhoven, CIO & VP of Emerging Technologies, Zscaler Inc., for a compelling webcast highlighting how ransomware can impact your business and why legacy security solutions don’t stand a chance against such threats.

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