Netgate pfSense vs Zscaler Internet Access comparison

The compared Netgate and Zscaler solutions aren't in the same category. Netgate is ranked #2 in Firewalls , with an average rating of 8.8, and holds a 8.0% mindshare in the category. Zscaler is ranked #3 in WSG , with an average rating of 8.6, and holds a 10.0% mindshare. Additionally, 94% of Netgate users are willing to recommend the solution, compared to 98% of Zscaler users who would recommend it.

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between Netgate pfSense and Zscaler Internet Access based on real PeerSpot user reviews.

Find out what your peers are saying about Fortinet, Netgate, Sophos and others in Firewalls.

To learn more, read our detailed Firewalls Report (Updated: May 2026).

Buyer's Guide

Firewalls

May 2026

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Helped 900,747 peers since 2012

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

ROI

Sentiment score

5.9

Fortinet FortiGate offers a high ROI through enhanced productivity, efficiency, security, cost savings, and simplified management.

Sentiment score

5.9

Netgate pfSense provides significant ROI with cost-effectiveness, eliminating license fees, ideal for small to mid-sized companies replacing costly systems.

Sentiment score

5.8

Zscaler Internet Access delivers cost savings, improved security, and productivity with ROI seen in as little as three months.

Clients are now comfortable and not wasting productive hours on IT support.

MURALI NIDAMANURI

Managing Director at a manufacturing company with 10,001+ employees

The automation part is giving us a cost benefit and speed; we can react faster.

Bart Homblé

BDM Fortinet & BDM Teamlead at Exclusive Networks

It's a very useful tool to mitigate and protect your enterprise.

Bernard Samontanes

Staff Infrastructure & Security Engineer at Mozn Systems

For more quotes and insights, download the Fortinet FortiGate report

I have seen a return on investment with cost savings after implementing Netgate pfSense, as other firewalls would cost me lakhs of rupees while pfSense is free.

AvilashBiswal

Information Technology Infrastructure Manager at a tech services company with 11-50 employees

Since the memory leak fixes, it's been incredibly stable and requires minimal maintenance.

Hunor Dori

Network Engineer at a media company with 51-200 employees

In four years of using it, that payment of 189 dollars per year has already paid off.

Reymond Rivera

L2 Systems Administrator at a comms service provider with 201-500 employees

For more quotes and insights, download the Netgate pfSense report

Reduced risk from web-based threats.

Nikhil Kalyankar

Soc Analyst at a tech vendor with 10,001+ employees

The managed service aspect of Zscaler Internet Access has allowed for reduced staffing costs, resulting in a saving of approximately 20-25% compared to prior expenses.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

For more quotes and insights, download the Zscaler Internet Access report

Customer Service

Sentiment score

6.5

Fortinet FortiGate's 24/7 support is generally well-rated but needs improvement in response speed for urgent issues.

Sentiment score

7.8

Netgate pfSense receives praise for effective support, though some users experience slow responses; forums often suffice for troubleshooting.

Sentiment score

6.6

Zscaler Internet Access users rate support highly for skill and quick resolution, despite occasional communication issues and staff inexperience.

The quick resolution of issues with Fortinet FortiGate is due to the support of the company and the fact that the equipment is easy to work with.

Alexandre Menezes

IT Manager at a consultancy with 10,001+ employees

I would rate the technical support for Fortinet FortiGate a ten out of ten.

AnishKumar

NAC Support at Rah Infotech Pvt Ltd

As a solution provider, when I encounter problems, I connect directly with Fortinet support, and they provide solutions within a very short time.

Vasu Gala

Manager, Information Technology Operation/Presales at TechMonarch

For more quotes and insights, download the Fortinet FortiGate report

When I provide detailed information about the problem, they've been able to reply quickly with a solution or go research the problem and get back to us quickly with a fix.

SeanCox

NOC / Network Engineering Manager at a comms service provider with 51-200 employees

They are highly responsive.

Steve Gleason

Network Administrator at a healthcare company with 51-200 employees

I couldn't imagine having better support.

Tim Lambert

Director of IT at Cutting Edge Hair Salon RSS

For more quotes and insights, download the Netgate pfSense report

I would rate customer support at nine out of ten as they have provided responsive and knowledgeable assistance.

Nikhil Kalyankar

Soc Analyst at a tech vendor with 10,001+ employees

The technical support for Zscaler Internet Access is rated around seven out of ten due to some response time issues and the engagement model.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

Zscaler Internet Access customer service is really very good.

Ferdi Haider

Product Owner at a financial services firm with 501-1,000 employees

For more quotes and insights, download the Zscaler Internet Access report

Scalability Issues

Sentiment score

7.1

Fortinet FortiGate is praised for scalability and adaptability across enterprises, though some users face cloud scaling and upgrade challenges.

Sentiment score

6.6

Netgate pfSense is highly scalable for SMBs, supporting high user counts and complex configurations depending on hardware choices.

Sentiment score

7.3

Zscaler Internet Access provides scalable, cloud-native solutions, though some regions may need local appliances due to performance issues.

They scale up really well from smaller models like the FortiGate 40 and 50 to bigger sites with the FortiGate 100 for more throughput - up to enterprise datacenters.

Ian Manton

IT Manager at Daltons Limited

The variation comes in terms of the interfaces and throughputs, but from a security perspective, you get the same benefit, irrespective of whether you have an entry-level unit or an enterprise.

reviewer2667480

Cewa Solutions Architect at a tech services company with 11-50 employees

We determine sizing based on multiple factors: number of users, available links, traffic types, server count, services in use, and whether services will be published.

FatmaSamy

General Surgery Specialist at Helwan University Cairo

For more quotes and insights, download the Fortinet FortiGate report

If I put things into a certain context and say that we have a network that has around 100 people, then you don't put up a device that can manage 100 people. Instead, you need to get a device that can manage 150 to 200 people, and then you can create room for growth.

UdochiOdodo

CTO at Vigon Business Solutions Limited

I don't think Netgate pfSense can offer much scalability for big enterprises.

reviewer2510328

Director at a tech vendor with 5,001-10,000 employees

Even with a jump from a 50 megabit to a 500 megabit internet connection and approximately 65 active VPN clients, our firewall operates smoothly without any strain.

reviewer2512578

IT Manager at a healthcare company with 11-50 employees

For more quotes and insights, download the Netgate pfSense report

With the pricing structure that they currently have, it is only for big customers.

Ferdi Haider

Product Owner at a financial services firm with 501-1,000 employees

I find Zscaler Internet Access to be highly scalable, which was one of the reasons for choosing it.

Pawel Gawronski

Group IT Manager at a wholesaler/distributor with 10,001+ employees

Zscaler Internet Access is scalable and has points of presence across the globe to ensure low latency and reliable connections.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

For more quotes and insights, download the Zscaler Internet Access report

Stability Issues

Sentiment score

7.7

Fortinet FortiGate offers reliable and consistent performance, with quick resolution for occasional bugs, ensuring minimal downtime and high availability.

Sentiment score

7.1

Netgate pfSense is highly stable, with users attributing minimal issues to hardware rather than the firewall, ensuring reliable performance.

Sentiment score

7.4

Zscaler Internet Access is stable with high performance, minimal issues, swift outage resolutions, and effective global failover mechanisms.

We're experiencing 99.999% availability consistently.

Ricardo Biggs

Manager, Information Technology at a consumer goods company with 11-50 employees

I would rate the stability of Fortinet FortiGate a ten out of ten.

AnishKumar

NAC Support at Rah Infotech Pvt Ltd

Currently, we are experiencing a general outage of one of the main internet service providers of the Dominican Republic, and we have not been impacted in our operations because with SD-WAN, we have another internet service provider and we are working with the second WAN connection without any disruption.

Juan Frias

CISO at a financial services firm with 1,001-5,000 employees

For more quotes and insights, download the Fortinet FortiGate report

I rate the solution's stability a ten out of ten.

Mohmad Saqib

Infrastructure and integration Architect at CommunityForce

I've noticed a substantial improvement in stability and ease of use for upgrades and patching over the past year or two.

Damon Martin

Technical Sales Specialist at a tech vendor with 10,001+ employees

When I replace consumer routers with pfSense for small businesses with two or three employees, they are often amazed to discover the router can run for a year without a reboot.

Vinc Duran

Partner and Owner at Free Range Geeks

For more quotes and insights, download the Netgate pfSense report

Zscaler Internet Access is stable and capable of building resilient architectures.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

I have not faced any major outages or downtime with Zscaler Internet Access; it is stable in our environment.

Nikhil Kalyankar

Soc Analyst at a tech vendor with 10,001+ employees

Zscaler Internet Access is very stable, and I would rate its stability as nine out of ten.

Pawel Gawronski

Group IT Manager at a wholesaler/distributor with 10,001+ employees

For more quotes and insights, download the Zscaler Internet Access report

Room For Improvement

Fortinet FortiGate users face high costs, integration and stability issues, sluggish support, and need improvements in usability and security features.

Netgate pfSense requires better centralized management, an updated user interface, improved security integrations, and enhanced documentation for ease of use.

Zscaler Internet Access needs better access control, integration, scalability, user interface, reporting, support, and pricing improvements.

These sessions should be around five to ten minutes long, allowing users and partners to quickly grasp the information without disrupting their daily tasks.

MURALI NIDAMANURI

Managing Director at a manufacturing company with 10,001+ employees

It would be better for customers to get immediate replacements even with a standard subscription.

Pravin Mandlik

Director at a tech services company with 11-50 employees

It is how quickly each of these companies adapts to that and brings in more value to the customer.

GireeshRamamurthy

Principal Consultant at Epitome Infotech Solutions (P) Ltd

For more quotes and insights, download the Fortinet FortiGate report

If I need to go between different VLANs, I have VLAN 19.1 and VLAN 19.2, and I strictly use Netgate pfSense, but it doesn't route very efficiently and works quite slowly.

Christos Adamidis

Information Security Manager at a tech services company with 11-50 employees

They should support the idea of configuration management as code from source code and provide a more robust API for managing the pfSense configuration.

Timothy Plimpton

Co-Owner at Steffi and Tim

Monitoring is crucial. The easier the monitoring and user interface, the simpler our team can work on and investigate issues.

Mohmad Saqib

Infrastructure and integration Architect at CommunityForce

For more quotes and insights, download the Netgate pfSense report

The response time and engagement model for technical support could be improved to handle complex outages more efficiently.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

In future updates, I would like to see some of the features bundled into the existing product set, perhaps more AI features and a refreshed interface.

reviewer2223654

Cyber Security Architect at a manufacturing company with 1,001-5,000 employees

Zscaler Internet Access has introduced AI control for tools such as ChatGPT, providing options to restrict to text-only input without file or image uploads through CASB restriction controls.

Mohan Janarthanan

Associate Vice President at Novac Technology Solutions

For more quotes and insights, download the Zscaler Internet Access report

Setup Cost

Fortinet FortiGate is cost-effective with a good feature set, ideal for mid to large enterprises, though complex licensing.

Netgate pfSense is affordable, offering open-source and paid versions with robust features and competitive hardware pricing.

Zscaler Internet Access is costly but valued for its scalability, global control, and extensive cloud security features.

It offers cost savings as it is generally cheaper than the competition.

NilsPaley

IT Infrastructure Architect at Apotek 1

It is about 20% cheaper.

MithatBulut

Network Security Engineer at TD SYNNEX

The advantages of Fortinet FortiGate over its competitors include good pricing and meeting our requirements at a lower cost.

Rizki Arya Indracahya

Information Technology Infrastructure Section Head at a consumer goods company with 11-50 employees

For more quotes and insights, download the Fortinet FortiGate report

It is far cheaper than big brand names like FortiGate and Cisco while delivering a feature set that's nearly the same across the entire list.

SeanCox

NOC / Network Engineering Manager at a comms service provider with 51-200 employees

Advanced features like Suricato or Snort require additional subscriptions for business use, but overall, pfSense remains a cost-effective solution.

Hunor Dori

Network Engineer at a media company with 51-200 employees

While my own pfSense 6100 costs $700, the value it provides makes it a very cost-effective purchase.

Mustapha Ghrairi

Sales Engineer at a computer software company with 1,001-5,000 employees

For more quotes and insights, download the Netgate pfSense report

Zscaler Internet Access is recognized as an expensive solution.

Pawel Gawronski

Group IT Manager at a wholesaler/distributor with 10,001+ employees

Zscaler Internet Access is less expensive than competitors like Palo Alto, offering a premium service justified by security enhancements and cost-effective scalability.

Tejas Jain

Principle Cloud Architect at a tech services company with 11-50 employees

Of course, it is an expensive product.

Ferdi Haider

Product Owner at a financial services firm with 501-1,000 employees

For more quotes and insights, download the Zscaler Internet Access report

Valuable Features

Fortinet FortiGate offers robust security, ease of use, and integration, with cost-effectiveness and reliable support, enhancing network efficiency.

Netgate pfSense offers reliable VPN and firewall features, user-friendly management, flexibility, cost-effectiveness, scalability, and strong community support.

Zscaler Internet Access offers secure web gateway, scalability, low latency, policy controls, and advanced threat protection for organizations.

They put in a thing called the FortiCookbook, which is very easy to read with real-life scenarios that make networking tasks like joining networks very straightforward.

Ian Manton

IT Manager at Daltons Limited

The firewall and VPN features are the most valuable in protecting our customers' networks.

reviewer890418

Sales & Support at a tech services company with 1-10 employees

The most valuable feature is the deep inspection for traffic, which is capable of identifying zero-day attacks.

Martins Zipp

Consultant at SKYE AS

For more quotes and insights, download the Fortinet FortiGate report

We had downtime before pfSense. We've never gone down using the solution.

reviewer2644617

Head of IT at a tech services company with 11-50 employees

It is very stable, and it works very well.

reviewer2649828

Works

VPN support is also excellent, with IPsec, OpenVPN, and WireGuard all supported.

Sachin-Yadav

Network & Security Engineer at Arrow PC Network Private Limited

For more quotes and insights, download the Netgate pfSense report

It prevents numerous web attacks through its AI/ML incorporated capability which identifies malware, threats, and viruses.

Mohan Janarthanan

Associate Vice President at Novac Technology Solutions

Zscaler Internet Access has positively impacted my organization by reducing the dependency on on-premises hardware and improving security posture, enabling faster user onboarding, and providing better performance for remote users.

VikasTiwari

Senior Network Engineer at Anthology

It automatically blocks access to known malicious websites and phishing or risky websites before users reach them, thereby reducing the number of security incidents we have to investigate.

Nikhil Kalyankar

Soc Analyst at a tech vendor with 10,001+ employees

For more quotes and insights, download the Zscaler Internet Access report

Categories and Ranking

Fortinet FortiGate

Mindshare comparison

Firewalls Mindshare Distribution
Product	Mindshare (%)
Netgate pfSense	8.0%
Fortinet FortiGate	15.1%
OPNsense	8.5%
Other	68.4%

Firewalls

Secure Web Gateways (SWG) Mindshare Distribution
Product	Mindshare (%)
Zscaler Internet Access	10.0%
Cisco Umbrella	9.7%
Prisma Access by Palo Alto Networks	7.6%
Other	72.7%

Secure Web Gateways (SWG)

Featured Reviews

Mageshwaran S

Solution Architect at airtel

Enables customers to manage security effortlessly with intuitive features and easy integration

In terms of improvements for Fortinet FortiGate, they could offer evaluation licenses, as compared to Meraki, which provides a 90-day evaluation. In Fortinet FortiGate, they do not provide standard evaluation licenses; instead, we need to request them from the OEM through the account manager for POCs. If we want to conduct a demo, we need to work with real hardware. In comparison to Cisco, we have DCloud, which helps with providing demos to customers, but in Meraki, I need to reach out to them, book a lab, and they need to provide all the hardware. I need remote access and L3 engineers to program it; only then can I offer a real-time demo to the customer.

Read full review

Juan-Arias

Principal Cloud Architect - Software Engineer at a consultancy with 11-50 employees

Rapid VPN setup has connected offices in minutes and brings live insights for proactive issue control

What I appreciate the most about Netgate pfSense is the ease and straightforward nature of the platform. I can set up a new office in less than 10 minutes. The benefits of using Netgate pfSense are that I can set up VPNs in less than two to three minutes, and then just deploy the file across my networks, where everybody would be connected in less than an hour. The dashboards of Netgate pfSense bring all the necessary information that I need at a glance, and it is actually a live update every three to five seconds. It is spotless, and I have been able to catch issues before they hit operations.

Read full review

Mohan Janarthanan

Associate Vice President at Novac Technology Solutions

User access management and threat prevention are enhanced with user-friendly controls

The best features Zscaler Internet Access offers include application control, tenant segregation, and PoP center regions which have low availability zones. The internet access is very successful and bandwidth speed is excellent. It also has application-based control, URL-based control, and SSL inspection capabilities, which are very useful. Additionally, the in-depth CASB segregation is very beneficial to us. One unique feature I found helpful is the tenant level restrictions, which we use to only access our organization's tenant level mail IDs, drives, and specific tenant level access while restricting public access. Zscaler Internet Access has positively impacted our organization as we have noticed substantial outputs and income. It has improved our security environment control and endpoint protection. It prevents numerous web attacks through its AI/ML incorporated capability which identifies malware, threats, and viruses. It has a toggle button to enable features entirely at the tenant level for all users onboarded into Zscaler Internet Access, resulting in much better outcomes.

Read full review

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Top Industries

By visitors reading reviews

Comms Service Provider

10%

Computer Software Company

10%

Manufacturing Company

Financial Services Firm

Comms Service Provider

12%

Computer Software Company

11%

Manufacturing Company

Financial Services Firm

12%

Computer Software Company

11%

Manufacturing Company

10%

Retailer

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	370
Midsize Enterprise	138
Large Enterprise	195

By reviewers
Company Size	Count
Small Business	171
Midsize Enterprise	33
Large Enterprise	29

By reviewers
Company Size	Count
Small Business	17
Midsize Enterprise	9
Large Enterprise	39

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Comparisons

Sophos Firewall vs Fortinet FortiGate

Compared 16% of the time

Cisco Secure Firewall vs Fortinet FortiGate

Compared 13% of the time

Palo Alto Networks NG Firewalls vs Fortinet FortiGate

Compared 5% of the time

Check Point Quantum Force (NGFW) vs Fortinet FortiGate

Compared 3% of the time

OPNsense vs Fortinet FortiGate

Compared 3% of the time

More Fortinet FortiGate Competitors

OPNsense vs Netgate pfSense

Compared 55% of the time

Sophos Firewall vs Netgate pfSense

Compared 3% of the time

Cisco Secure Firewall vs Netgate pfSense

Compared 3% of the time

Sophos UTM vs Netgate pfSense

Compared 2% of the time

KerioControl vs Netgate pfSense

Compared 2% of the time

More Netgate pfSense Competitors

Cisco Umbrella vs Zscaler Internet Access

Compared 23% of the time

Prisma Access by Palo Alto Networks vs Zscaler Internet Access

Compared 8% of the time

Netskope vs Zscaler Internet Access

Compared 7% of the time

Microsoft Defender for Cloud Apps vs Zscaler Internet Access

Compared 3% of the time

Prisma Access Browser vs Zscaler Internet Access

Compared 3% of the time

More Zscaler Internet Access Competitors

Product Reports

Buyer's Guide

Fortinet FortiGate

June 2026

Download Fortinet FortiGate product report

Buyer's Guide

Netgate pfSense

June 2026

Download Netgate pfSense product report

Buyer's Guide

Zscaler Internet Access

May 2026

Download Zscaler Internet Access product report

Also Known As

Fortinet FortiGate Next-Generation Firewall

No data available

ZIA

Overview

Fortinet FortiGate is a versatile network security tool offering features like VPN, firewall, web filtering, intrusion prevention, and scalability. It is known for its performance and integration with other Fortinet products, making it a preferred choice for robust cybersecurity.

Fortinet FortiGate stands out as a comprehensive cybersecurity solution with strong performance and ease of configuration. It delivers unified threat management, integrating features such as dynamic routing, SD-WAN support, and centralized management. Despite its strengths, improvements in the web interface's stability, pricing structures, and reporting capabilities are needed. Users seek better integration with third-party tools and automation advancements to enhance the experience further. These enhancements, alongside improvements in bandwidth management and the reduction of licensing costs, are points of interest for users looking to capitalize on FortiGate's extensive capabilities.

What are Fortinet FortiGate's key features?

VPN: Ensures secure remote connections.
Firewall: Protects against unauthorized access.
Web Filtering: Blocks malicious sites and content.
Application Control: Manages and controls applications.
Intrusion Prevention: Detects and prevents vulnerabilities.
SSL Inspection: Enhances security by inspecting encrypted traffic.

What benefits should be considered when evaluating Fortinet FortiGate?

Affordability: Offers cost-effective security solutions.
Reliability: Known for consistent and stable performance.
Integration: Seamlessly integrates with other Fortinet products.
Comprehensive Protection: Provides broad threat protection capabilities.

Fortinet FortiGate is widely implemented across industries as a primary firewall system for securing internet gateways and safeguarding data centers. It supports businesses in achieving SD-WAN integration and enhances cybersecurity by providing essential features like antivirus, web filtering, and application control. Enterprises utilize FortiGate for securing remote connections and ensuring compliance with security standards, making it adaptable for different network sizes and industries.

Fortinet

Netgate pfSense is an open-source firewall and router software known for scalability, cost-effectiveness, and community support. It includes customizable packages for varied network management needs, offering solid performance and straightforward management for diverse setups.

Netgate pfSense provides an impressive range of functionalities including firewall capabilities, VPN options, and extensive customization through packages. Its low resource usage and high availability make it viable for businesses of all sizes, especially when dealing with tailored network demands. Despite its strengths, users suggest improvements in ease of use, mobile compatibility, and support for plug-ins. Enhanced centralized management, better documentation, and additional security features are frequent requests.

What are the key features of Netgate pfSense?

Scalability: Suits any network size from small home setups to large enterprises.
Open-source: Offers transparency and flexibility, allowing for community-driven development.
Firewall Capabilities: Provides robust protection against unauthorized access.
VPN Options: Supports secure remote connectivity with various VPN protocols.
Customizable Packages: Allows users to personalize functionalities to fit network needs.
High Availability: Ensures continuous network operations with redundancy features.
Load Balancing: Distributes traffic efficiently across multiple paths or connections.
Traffic Shaping: Manages bandwidth allocation to optimize network performance.

What benefits should users consider in reviews?

Cost-effectiveness: Significant savings due to low operational costs and open-source nature.
Performance: Reliable service delivery with minimal hardware demands.
User-friendly Interface: Intuitive design that simplifies complex network management.
Community Support: Access to extensive community resources for troubleshooting and advice.
Comprehensive Documentation: Detailed guides and tutorials to facilitate installation and configuration.

In education and healthcare, Netgate pfSense is employed for secure connectivity and efficient traffic management, accommodating distinct demands of remote access and content filtering. Organizations in these sectors often utilize features such as load balancing and VPNs to maintain secure and reliable network operations while integrating with services like Active Directory for streamlined identity management. Small to medium-sized enterprises benefit from its affordability and robust functionality, making it a go-to choice for managed service environments requiring effective network security and control.

Netgate

Zscaler Internet Access provides internet security through cloud-native architecture, ensuring threat protection and traffic management without relying on traditional VPNs and firewalls.

It enhances security by offering features such as CASB and DLP. With its cloud-native proxy architecture, it facilitates seamless security with reduced latency and high availability. Organizations value the scalability and centralized policy management, integrating seamlessly with existing systems for remote work. It ensures secure traffic management by delivering advanced threat protection and support for applications through SSL inspection and sandboxing. Enhanced measures for DLP, better integration with tools like MFA, and optimized reporting are areas for growth.

What are the key features?

Website Filtering: Controls access to harmful sites to protect users.
SSL Inspection: Shields against threats bypassing traditional defenses.
Cloud Sandbox: Provides advanced threat protection through testing.
CASB: Offers cloud application visibility and security enforcement.

What benefits should users seek?

Scalability: Easily adjusts to growing requirements without manual intervention.
Centralized Management: Simplifies policy implementation across locations.
Seamless Integration: Reduces need for traditional VPNs by integrating with remote infrastructure.

Many industries leverage Zscaler Internet Access for securing internet traffic and safeguarding against threats like malware and DDoS attacks. It is integral as a secure web gateway to fulfill data loss prevention, bandwidth control, and filtering needs, allowing remote users robust access and protection globally. Companies employ it alongside existing tools for proper security and policy enforcement.

Zscaler

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, Telkom Kenya

Nerds On Site Inc., RKC Development Inc., Expertech, Fisher's Technology, Ncisive, Consulting, CPURX, Vaughn's Computer House Calls, Imeretech LLC, Digital Crisis, Carolina Digital Phone, Technigogo Technology Services, The Simple Solution, SwiftecITInc, Rocky Mountain Tech Team, Free Range Geeks, Alaska Computer Geeks, Lark Information Technology, Renaissance Systems Inc., Cutting Edge Computers, Caretech LLC, GoVanguard, Network Touch Ltd, P.C. Solutions.Net, Vision Voice and Data Systems LLC, Montgomery Technologies, Techforce, Concero Networks, ASONInc, CPS Electronics and Consulting, Darkwire.net LLC, IT Specialists, MBS-Net Inc., VOICE1 LLC, Advantage Networking Inc., Powerhouse Systems, Doxa Multimedia Inc., Pro Computer Service, Virtual IT Services, A&J Computers Inc., Envision IT LLC, CommunicaONE Inc., Bone Computer Inc., Amax Engineering Corporation, QPG Ltd. Co., IT 101 Inc., Perfect Cloud Solutions, Applied Technology Group Inc., The Digital Sun Group LLC, Firespring

Ulster-Greene ARC, BanRegio, HDFC, Ralcorp Holdings Inc., British American Tobacco, Med America Billing Services Inc., Lanco Group, Aquafil, Telefonica, Swisscom, Brigade Group

Find out what your peers are saying about Fortinet, Netgate, Sophos and others in Firewalls. Updated: May 2026.

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