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Zscaler Cloud Firewall pros and cons

Vendor: Zscaler

4.1 out of 5

20 reviews
93% willing to recommend

Pros & Cons summary

Zscaler Cloud Firewall offers robust cyber threat protection, ensuring user safety with features like Cloud Sandbox and comprehensive security technologies. It provides valuable visibility for troubleshooting while simplifying deployment by eliminating license management complexities. Protection extends to users on any device through firewall and web security capabilities. Challenges include pricing, scalability, and lack of policy flexibility, along with missing features such as web browser isolation. Customer support issues affect its premium service reputation.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

Zscaler Cloud Firewall offers effective protection against various cyber threats, ensuring a safe environment for users.

It provides in-depth visibility and log availability, highly valued for troubleshooting and enhancing security incident response.

Its advanced tech protection, including Cloud Sandbox, blocks malicious traffic and protects on-premises servers.

The ease of deployment and flexibility of Zscaler Cloud Firewall eliminate the need for license management and complex installations.

Users are protected from anywhere on any device with a comprehensive set of security features like firewall, IPS, web security, CASB, and DLP.

CONS

Pricing and scalability are challenges that need to be addressed, especially in the Asia Pacific region.

There is a lack of differentiation due to missing components and features such as policy flexibility and visibility.

Web browser isolation is not currently provided, which requires additional solutions for integration.

Intra-site segmentation issues arise as it does not address traffic flow within branch offices effectively.

Customer support is seen as inadequate for a premium service, impacting user experience.

Zscaler Cloud Firewall Pros review quotes

Director at Aquila ICT Solutions

Sep 19, 2025

The centralized management console, also referred to as the Zscaler dashboard, impacts the ability of my customers to respond to security incidents significantly, and clients are really happy with using it, which motivates them to keep using Zscaler Cloud Firewall because they enjoy the GUI.

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Farzad Ebrahimi

Senior Devsecops Cloud Cybersecurity Specialist at CGI

May 18, 2026

Zscaler Cloud Firewall has positively impacted my organization by increasing ROI, especially by reducing costs.

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reviewer2641644

IT Security at a manufacturing company with 11-50 employees

Jan 13, 2025

Since it is really customizable, I can use it and avoid enabling access to the full network.

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Zscaler Cloud Firewall

Free Report: Zscaler Cloud Firewall Reviews and More

Learn what your peers think about Zscaler Cloud Firewall. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.

899,125 professionals have used our research since 2012.

KG

Cyber Security Architect at Accenture

Mar 27, 2025

The technical support from Zscaler was excellent.

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Network Manager Admin at Yamaha

May 27, 2024

If malicious traffic attacks our on-premises servers, then it gets blocked by Zscaler Cloud Firewall.

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Vikram Srirama.

Deputy General Manager at Sagility

Nov 9, 2023

Zscaler Cloud Firewall understands the applications in the current generation and adapts to the present generation cloud applications.

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Director at Aquila ICT Solutions

Oct 6, 2023

It provides in-depth visibility into your network, ensuring that traffic flowing into your organization, be it from offices or individual users, is effectively filtered and secured through multiple layers of protection.

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Shailesh Sachan

Security Operations Centre Lead at Syngenta

Aug 11, 2023

Zscaler provides effective protection against various cyber threats ensuring a safe environment

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PK

Prabhukumar-Karunanthi

Sr.Technical Consultant at Navigator Systems Prt. Ltd.

Nov 17, 2023

The product’s firewall and VPN package are fantastic compared to any other solution.

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Senior Consultant at OPTIV

Oct 27, 2023

The visibility and log availability offered are highly valued for troubleshooting purposes, and this is a key factor driving customer interest in the firewall module.

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Zscaler Cloud Firewall Cons review quotes

Director at Aquila ICT Solutions

Sep 19, 2025

One area for improvement lies in their customer service, which feels less ideal for a premium product. The response and support are sometimes inadequate, which detracts from the overall experience of an otherwise impressive solution.

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Farzad Ebrahimi

Senior Devsecops Cloud Cybersecurity Specialist at CGI

May 18, 2026

The needed improvements involve scalability, which is something I wish they would address.

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reviewer2641644

IT Security at a manufacturing company with 11-50 employees

Jan 13, 2025

I don't have the visibility of a control dashboard or a network management system.

Read full review

Zscaler Cloud Firewall

Free Report: Zscaler Cloud Firewall Reviews and More

Learn what your peers think about Zscaler Cloud Firewall. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.

899,125 professionals have used our research since 2012.

KG

Cyber Security Architect at Accenture

Mar 27, 2025

There are several areas for improvement. Firstly, the GUI is outdated, with noticeable lags and delays, especially when generating reports for past transactions.

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Network Manager Admin at Yamaha

May 27, 2024

Apart from the issues associated with the product in areas like the DC performance issues and DC failover, Zscaler Cloud Firewall's IP should not have a proxy IP.

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Vikram Srirama.

Deputy General Manager at Sagility

Nov 9, 2023

Zscaler Cloud Firewall should have a better understanding of all dynamic cloud applications.

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Director at Aquila ICT Solutions

Oct 6, 2023

When it comes to customer support, there is room for improvement in Zscaler's service.

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Shailesh Sachan

Security Operations Centre Lead at Syngenta

Aug 11, 2023

They do not provide a few components that are fundamental to differentiate the products

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PK

Prabhukumar-Karunanthi

Sr.Technical Consultant at Navigator Systems Prt. Ltd.

Nov 17, 2023

Pricing is a challenge.

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Senior Consultant at OPTIV

Oct 27, 2023

Instead of the standard license, they should certainly provide customers with the visibility to access and view the logs.

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Show 10 more reviews (out of 20)

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