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Fortinet FortiGate vs Palo Alto Networks NG Firewalls vs Zscaler Internet Access comparison

 

Comparison Buyer's Guide

Executive Summary

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
5.8
Fortinet FortiGate offers high ROI with cost savings, enhanced security, and increased productivity, driving widespread user satisfaction.
Sentiment score
6.6
Palo Alto Networks NG Firewalls enhance security and reduce costs, improving efficiency and delivering substantial ROI in regulated industries.
Sentiment score
5.7
Zscaler Internet Access drives cost savings by reducing on-premises needs, enhancing security, and cutting hardware and staffing costs.
Clients are now comfortable and not wasting productive hours on IT support.
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.
BDM Fortinet & BDM Teamlead at Exclusive Networks
It's a very useful tool to mitigate and protect your enterprise.
Staff Infrastructure & Security Engineer at Mozn Systems
Their user-friendly interface and Panorama central management, which provides a comprehensive overview, make them an ideal investment.
Technical Lead at Accenture
The solution helped reduce downtime, which is crucial in time-sensitive industries like manufacturing.
Director IT Infrastructure and Operations at a analyst firm with 51-200 employees
I have seen a return on investment since using Palo Alto Networks NG Firewalls in terms of time saved.
Security Professional at BT - British Telecom
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.
Sr. Cloud Security Architect at a tech services company with 11-50 employees
 

Customer Service

Sentiment score
6.6
Fortinet FortiGate support is generally well-rated for responsiveness and expertise, though experiences vary by region and complexity.
Sentiment score
6.9
Customer service for Palo Alto Networks NG Firewalls varies, with users noting fast responses but inconsistent service and language issues.
Sentiment score
6.5
Zscaler Internet Access customer service is responsive and knowledgeable, with high ratings but occasional scheduling and resource issues.
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.
IT Manager at a consultancy with 10,001+ employees
I would rate the technical support for Fortinet FortiGate a ten out of ten.
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.
Manager, Information Technology Operation/Presales at TechMonarch
Palo Alto's network support is excellent, and I would rate it a ten out of ten.
Founder at a tech services company with 11-50 employees
Their response time is within one hour.
Head of data centers at a non-profit with 10,001+ employees
They offer fast and competent assistance.
IP / Operations Support System Engineer; Pre-Sales Engineer at Avantguard.it
The technical support for Zscaler Internet Access is rated around seven out of ten due to some response time issues and the engagement model.
Sr. Cloud Security Architect at a tech services company with 11-50 employees
Zscaler Internet Access customer service is really very good.
Product Owner at a financial services firm with 501-1,000 employees
I find customer support to be quite adequate
Group IT Manager at a wholesaler/distributor with 10,001+ employees
 

Scalability Issues

Sentiment score
7.1
Fortinet FortiGate effectively scales for diverse enterprises, despite occasional hardware limitations and complexities in adding new devices.
Sentiment score
6.8
Palo Alto Networks NG Firewalls offer scalability and reliability but may face hardware limitations and cost concerns for smaller setups.
Sentiment score
7.2
Zscaler Internet Access offers scalable cloud solutions for easy expansion, with some challenges in cost, bandwidth, and deployment complexity.
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.
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.
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.
General Surgery Specialist at Helwan University Cairo
Cloud deployments benefit from auto-scaling, allowing for automatic adjustments to firewall capacity based on demand.
Technical Lead at Accenture
It is important to assess the infrastructure size before choosing a model.
IP / Operations Support System Engineer; Pre-Sales Engineer at Avantguard.it
Palo Alto Networks NG Firewalls are scalable and reliable.
Senior Network Engineer L4 at a tech services company with 10,001+ employees
With the pricing structure that they currently have, it is only for big customers.
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.
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.
Sr. Cloud Security Architect at a tech services company with 11-50 employees
 

Stability Issues

Sentiment score
7.7
Fortinet FortiGate is stable, with minor issues mostly resolved by updates, and users rate its stability highly.
Sentiment score
8.5
Palo Alto Networks NG Firewalls are praised for high stability and reliability, outperforming competitors despite occasional hardware and update issues.
Sentiment score
7.4
Zscaler Internet Access is globally stable and secure, with minor regional latency issues, and straightforward deployment praised by users.
We're experiencing 99.999% availability consistently.
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.
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.
CISO at a financial services firm with 1,001-5,000 employees
With appropriately configured policies, these firewalls can provide robust network security.
Solution Architect at a retailer with 201-500 employees
After the upgrade, we are experiencing performance issues.
Technical Engineer Technical Security at a tech services company with 10,001+ employees
I have not experienced any outages or issues.
IP / Operations Support System Engineer; Pre-Sales Engineer at Avantguard.it
Zscaler Internet Access is stable and capable of building resilient architectures.
Sr. Cloud Security Architect at a tech services company with 11-50 employees
Zscaler Internet Access is very stable, and I would rate its stability as nine out of ten.
Group IT Manager at a wholesaler/distributor with 10,001+ employees
 

Room For Improvement

Fortinet FortiGate users face stability issues, high costs, complex interfaces, and desire improvements in support, integration, and features.
Palo Alto Networks NG Firewalls need better configuration, user-friendliness, integration, and cost-effective, scalable hardware with enhanced support and management.
Zscaler Internet Access needs improved integration, reporting, user interface, support, pricing, scalability, and feature enhancements for better overall performance.
These sessions should be around five to ten minutes long, allowing users and partners to quickly grasp the information without disrupting their daily tasks.
Managing Director at a manufacturing company with 10,001+ employees
The solution should be able to implement machine learning and analytics of all the logs for threat detection and protection.
Senior Systems Engineer at Caribbean Development Company
It would be better for customers to get immediate replacements even with a standard subscription.
Director at a tech services company with 11-50 employees
When performance degrades due to full packet inspection, the solution should be to increase the computing power within the same firewall, not to recommend upgrading to a larger, more expensive model.
Technical Engineer Technical Security at a tech services company with 10,001+ employees
Further integration into a unified system could improve usability.
Director IT Infrastructure and Operations at a analyst firm with 51-200 employees
Palo Alto Networks NG Firewalls lack built-in multi-factor authentication, requiring the purchase of a third-party tool to implement this essential security feature.
Head of data centers at a non-profit with 10,001+ employees
The response time and engagement model for technical support could be improved to handle complex outages more efficiently.
Sr. Cloud Security 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.
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.
Associate Vice President at Novac Technology Solutions
 

Setup Cost

Fortinet FortiGate is cost-effective and flexible compared to competitors, but may be expensive for small businesses.
Palo Alto Networks NG Firewalls are costly, but advanced security features justify the expense for many users.
Zscaler Internet Access pricing is high, with a per-user model, making it cost-effective yet potentially inaccessible for small businesses.
Last year, I renewed the support for three years, which can sometimes be expensive but depends on the security benefits and how it helps us.
Network & System Admin at Invoke Studios
It offers cost savings as it is generally cheaper than the competition.
IT Infrastructure Architect at Apotek 1
It is about 20% cheaper.
Network Security Engineer at TD SYNNEX
Palo Alto Networks NG Firewalls are expensive.
Technical Engineer Technical Security at a tech services company with 10,001+ employees
Palo Alto Networks NG Firewalls come at a premium, exceeding the cost of most competitors by 45 percent.
Head of data centers at a non-profit with 10,001+ employees
Colleagues looking for the cheapest and fastest firewall can still use Palo Alto Networks NG Firewalls because they are affordable.
Director at Zuci Systems
Zscaler Internet Access is recognized as an expensive solution.
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.
Sr. Cloud Security Architect at a tech services company with 11-50 employees
Of course, it is an expensive product.
Product Owner at a financial services firm with 501-1,000 employees
 

Valuable Features

Fortinet FortiGate offers robust security features, user-friendly interface, scalability, affordability, and centralized management, ideal for diverse applications.
Palo Alto Networks NG Firewalls provide advanced security, ease of use, and integration, excelling in application ID and URL filtering.
Zscaler Internet Access enhances security with URL filtering, SSL inspection, threat protection, and seamless remote management, improving efficiency globally.
We got a firewall and gave an SSL VPN to my client to connect to their servers, after which, such kind of activities involving ransomware attacks stopped.
Owner at Mindware Computer Solutions
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.
IT Manager at Daltons Limited
The firewall and VPN features are the most valuable in protecting our customers' networks.
Sales & Support at a tech services company with 1-10 employees
The most valuable features of Palo Alto Networks NG Firewalls are DNS sync calls, enabled security features, and Wildfire.
Technical Engineer Technical Security at a tech services company with 10,001+ employees
Threat Vault allows us access to a comprehensive threat database, enabling us to get detailed information on threats and how to mitigate them.
Senior Network Engineer L4 at a tech services company with 10,001+ employees
The most valuable feature of Palo Alto Networks NG Firewalls is Cortex Data Lake.
Solution Architect at a retailer with 201-500 employees
It prevents numerous web attacks through its AI/ML incorporated capability which identifies malware, threats, and viruses.
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.
Senior Network Engineer at Anthology
The most valuable feature for me is the ability to see how my network and traffic looks with modules like analytics and insights.
Group IT Manager at a wholesaler/distributor with 10,001+ employees
 

Mindshare comparison

Firewalls Mindshare Distribution
ProductMindshare (%)
Fortinet FortiGate18.3%
OPNsense10.3%
Sophos Firewall9.4%
Other62.0%
Firewalls
Firewalls Mindshare Distribution
ProductMindshare (%)
Palo Alto Networks NG Firewalls5.3%
Fortinet FortiGate18.3%
OPNsense10.3%
Other66.1%
Firewalls
Secure Web Gateways (SWG) Mindshare Distribution
ProductMindshare (%)
Zscaler Internet Access12.1%
Cisco Umbrella12.8%
Prisma Access by Palo Alto Networks8.8%
Other66.3%
Secure Web Gateways (SWG)
 

Featured Reviews

Vasu Gala - PeerSpot reviewer
Manager, Information Technology Operation/Presales at TechMonarch
A stable solution with an intuitive interface and quick customer service
I have been working with Fortinet FortiGate, WatchGuard, Sophos, and SonicWall. I'm not as comfortable with SonicWall because of their UI and limitations. I prefer Fortinet above all other options. When it comes to configuration, I am confident in my ability to handle various tasks, including creating policies such as firewall rules, web policies, and application policies. Additionally, I can configure VPNs and implement load balancing, among other tasks. Overall, I feel much more comfortable working with Fortinet. Fortinet has made significant improvements by integrating AI with firewalls for threat analysis and prevention. In the past 2-3 years, they have launched FortiSASE and SIEM, and they also provide SOC services. Both Palo Alto and Fortinet FortiGate are excellent. While Fortinet FortiGate comes at higher prices, the functionality and support justify the cost. They promptly resolve firmware issues and inform all support providers about configuration changes.
SV
Solution Architect // Network Consultant at Group S
Network security has improved and allows detailed user-based control over encrypted traffic
Bandwidth usage is not something we use much, but it depends on the SD-WAN plugin because the application load balancing is based on the SD-WAN product. That functionality does not work as it should, although the App-ID is working very well. SD-WAN functionality is working, but when you compare it with other products on the market, it is very limited. Palo Alto also has ION devices, and ION devices together with Prisma Access or Strata Cloud Manager now are more the way to go than using Palo Alto Networks NG Firewalls on-premises. At the moment I have some issues, but the issues are more related to the general way of working of many vendors. They implement new things very fast and it is not always bug-free. With new releases, sometimes you still have some issues. This is the main concern. If you look back five or maybe ten years ago, the products were more stable and you had more decent releases, but that is something in general for many vendors. Palo Alto is also a factor with that. They want to bring new features to the market too fast. Features are a concern because all vendors try to compete against each other. If one vendor comes out with a new feature, then other vendors do the same. Sometimes they want to be the first on the market with it, and that sometimes introduces bugs or issues with the product.
Mohan Janarthanan - PeerSpot reviewer
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.
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Comparison Review

it_user216600 - PeerSpot reviewer
Senior Technical Consultant with 51-200 employees
Jan 3, 2016
Sophos UTM vs. Fortinet FortiGate
I have used both Sophos and Fortinet products in production and I have found the Sophos UTM appliances (hardware and virtual) to be a better fit most of the time -- with a few caveats which I will touch on below. In both instances, the transition from TMG will be mostly straightforward. The main…
 

Top Industries

By visitors reading reviews
Computer Software Company
11%
Comms Service Provider
10%
Manufacturing Company
8%
Financial Services Firm
6%
Computer Software Company
10%
Manufacturing Company
9%
Financial Services Firm
8%
Educational Organization
6%
Computer Software Company
12%
Manufacturing Company
10%
Financial Services Firm
10%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business364
Midsize Enterprise135
Large Enterprise190
By reviewers
Company SizeCount
Small Business75
Midsize Enterprise56
Large Enterprise85
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise10
Large Enterprise37
 

Questions from the Community

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What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?
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What is a better choice, Azure Firewall or Palo Alto Networks NG Firewalls?
Azure Firewall Vs. Palo Alto Network NG Firewalls Both solutions provide stellar stability and security. Azure Firew...
Features comparison between Palo Alto and Fortinet firewalls
In the best tradition of these questions, Feature-wise both are quite similar, but each has things it's better at, it...
Which is better - Palo Alto Networks NG Firewalls or Sophos XG?
Palo Alto Networks NG Firewalls have both great features and performance. I like that Palo Alto has regular threat si...
Which is the better security solution - Cisco Umbrella or Zscaler?
Cisco Umbrella and Zscaler Internet Access are two broad-spectrum Internet security solutions that I have tried. Zs...
Which is better, Zscaler internet access or Netsckope CASB?
We researched Netskope but ultimately chose Zscaler. Netskope is a cloud access security broker that helps identify ...
What is your experience regarding pricing and costs for Zscaler Internet Access?
It is only for big companies currently and they only focus on that. That is one of the problems to get into the marke...
 

Also Known As

Fortinet FortiGate Next-Generation Firewall
Palo Alto NGFW, Palo Alto Networks Next-Generation Firewall
ZIA
 

Overview

 

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
SkiStar AB, Ada County, Global IT Services PSF, Southern Cross Hospitals, Verge Health, University of Portsmouth, Austrian Airlines, The Heinz Endowments
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: March 2026.
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