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Azure Web Application Firewall vs Imperva Web Application Firewall comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 1, 2025

Review summaries and opinions

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

Categories and Ranking

Cloudflare
Sponsored
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
76
Ranking in other categories
CDN (1st), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (13th)
Azure Web Application Firewall
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
15
Ranking in other categories
Web Application Firewall (WAF) (12th), Microsoft Security Suite (22nd)
Imperva Web Application Fir...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Web Application Firewall (WAF) (7th)
 

Featured Reviews

Carlos Alam Hernandez Baruch - PeerSpot reviewer
Fast and secure deployments simplify operations for government and fintech clients
It is a fast and secure DNS. It is very easy to deploy, and my customers are happy with this tool. Additionally, the CDN performance in Mexico is excellent, providing fast service and tools. It offers reliability during high-traffic periods, ensuring no impact on the environment. It helps my clients avoid using on-premise boxes, simplifying operations as they only use the prices on Cloudflare.
Mano Senaratne - PeerSpot reviewer
Comprehensive suite simplifies configuration while frequent updates require management
Mainly, it comes with the complete suite of Microsoft services. I can use it in conjunction with the best options and other features that come with it. Configuration is much easier than using different platforms. For example, if I have hosted the application in AWS and am using the Application Firewall from Azure, there are certain additional steps to follow when configuring them. With Microsoft, everything is within a single suite, making it easier to configure and plan. Azure continually upgrades platforms and sends us messages to upgrade to the next version, simplifying the process. Later, it's much easier if I want to upgrade the software platform, scale it, or move it to a different application host as the whole suite comes together. The return on investment is good. If I am doing applications for clients, I can invoice them for better costs. Most applications that I run and use have a better return on investment.
Mitesh D Patel - PeerSpot reviewer
Effectively defends against threats like cross-site scripting (XSS), SQL injection, and others
It does bring value. For example, consider a BFSI customer. Their application is critical and represents their brand. Without a WAF, an attack could take their application down, harming their reputation. It leads to hampering the customer's workflow. With an Imperva WAF, they protect against attacks like DDoS or SQL injection, ensuring their application remains available and customers are happy. That's the main benefit for both the customer and the organization. The impact depends on the customer's use case. If their business primarily operates online, a CDN is beneficial for traffic optimization. Moreover, the integration options depend on the specific use case of our customers. Generally, integration capabilities are good with SIEM (Security Information and Event Management) parts.

Quotes from Members

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

Pros

"Cloudflare is a security SaaS provider that provides security and protects us from any application layer attack."
"Generally, I am satisfied with this product."
"Many websites require an SSL certificate because they sell stuff and want SSL. Cloudflare comes with an SSL certificate built in. It's automatic. You sign yourself up for Cloudflare, and an SSL certificate automatically protects your website. You don't necessarily need a certificate if you have a connection between your website and your host, the server, Cloudflare, and the host."
"The most valuable features of the solution are performance and security."
"The tool is user-friendly."
"It is easier to configure and develop documentation to see how we have configured firewalls."
"I rate its stability a ten out of ten."
"I get a lot of value from Cloudflare's API because it enables you to build a separate environment inside the solution. You can create a domain for performing test requests before you move to the production environment and connect various domains."
"It's quite a stable product and works well with Microsoft products."
"The return on investment is good."
"We have found the most valuable features to be the web application, minimal skills required for management, control through policies, and automation."
"The best features of Azure Web Application Firewall are that it provides security and protection from poorly designed web applications."
"It has been a stable product in my experience."
"Configuration is much easier than using different platforms."
"The solution has good dashboards."
"The initial setup is easy and straightforward...Azure Web Application Firewall is a scalable product."
"Compared to other web application firewalls in the market, Imperva does things in the most accurate way."
"Imperva Web Application Firewall is a highly stable solution and is very mature."
"The solution is stable."
"It mitigates all of the availabilities of risks around web applications."
"Protection is the best solution since it has profile functionality."
"Imperva WAF's strongest features are the detection of web application threats and vulnerabilities in the source code."
"The most important feature I have found to be the ease in how to do the backup and restores."
"One good thing about Imperva Web Application Firewall is it can be on the cloud and also it can be on-premise."
 

Cons

"Even if I wanted to, I wouldn't be able to buy Cloudflare in my country."
"We're facing challenges due to an upgrade in the machine learning model. The problem arises from some users abusing the APIs, resulting in an influx of suspicious traffic. Cloudflare's learning model mistakenly identifies this traffic as human. Consequently, it assigns it a higher trust score, akin to legitimate human traffic, causing complications in our architecture. Previously, such traffic would have been categorized as suspicious, enabling us to apply appropriate blocking rules. However, we encounter difficulties distinguishing between genuine and suspicious traffic with the new categorization. Despite these challenges, overall, Cloudflare remains the preferred solution compared to Azure, AWS CloudFront, and Google Cloud Armor."
"The pricing could be improved."
"The analytics, basically the dashboard, doesn't have much to it."
"The documentation could improve for Cloudflare DNS."
"The integration of LLMs on the dashboard is something that is needed in the tool."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"The management can be improved."
"We would like to see additional site services using AI to provide information about blocking requests and offer analytics on the origin of calls."
"I would say that Azure's customer service is not that good...I am not very happy with the support offered."
"Azure WAF should not be deployed in the middle of the traffic."
"I encountered difficulties with certificates for a Linux server when implementing protection. I had to create the entire chain, as I couldn't simply upload the certificate and the chain."
"The documentation needs to be improved."
"Some Azure applications, like the web application firewall, require a certain level of SKU for hosting setup. The basic setup does not allow me to use the web application firewall and other additional services."
"The knowledge base could be improved."
"The tool's UI is complicated. It would be best to have a more accessible UI dashboard to make the job easier."
"I'd like the option to pick your bot protection."
"Imperva Web Application Firewall could improve the API integration. It was complex for us. Additionally, The onboarding could be better."
"Sometimes, support tickets don't get addressed quickly."
"The signature updates could be faster. Sometimes we have to upload signatures to the Imperva portal for checking and analysis before we can use them."
"An improvement for Imperva WAF would be to reduce the number of false positives and create more strong use cases based on AI/ML or behavioral analytics."
"It should be more user-friendly. Like other web solutions, it would be helpful to be able to easily do policy configuration and identification inside the application. Understanding the in-depth configuration of a policy is somewhat difficult for an engineer, and they can improve that."
"It would be useful if the solution used more intelligence in attack protection. For example, firewalls are to be dependent on the configuration, but if they could have some data science around it the solution would be even better. The profiling of the traffic, and making decisions surrounding that should be intelligence-based, instead of being based on the configuration of the firewall itself."
 

Pricing and Cost Advice

"The pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive. It aligns well with the value of their solution."
"We don't have any issues with the price."
"The cost primarily depends on the size of the organization."
"For Cloudflare, I recommend it heavily for small businesses with revenue under a couple of million dollars. Onboarding is easy, and they even have a free plan. This makes it simple for businesses in the $100,000-$500,000 range to try it out and see its value, allowing them to scale up their infrastructure as needed."
"A free version of the solution is available."
"The pricing depends on the usage, but the cheapest would be around 5,000 USD a month."
"The solution has many features but there are ones that you need to pay for. Sometimes you have to find out which is available for free and which you have to pay for."
"The product's pricing is cheap."
"Azure WAF has price advantages over other WAF solutions. The pricing model is flexible because you pay on a scale based on the level of protection you need."
"The price of the solution depends on your architecture and how you manage it. You can control the cost in Azure quite well. The costs do not directly correlate to expenses in the features we are using."
"The price is reasonable. It is approximately $2,000 US per month."
"We have an enterprise agreement with Microsoft and the pricing is good."
"I give the pricing a nine out of ten."
"The price is for this solution is fair and there is a license needed."
"We sell three-year licenses for Imperva Web Application Firewall to our customers. The price is a little expensive."
"Licensing can range from one to twenty thousand dollars annually. Additionally, some features, including software support, require an annual subscription as well."
"The solution's pricing is an issue."
"The cost of this solution depends on the platform."
"There is a license for this solution and we purchase the license annually with no additional fees."
"Imperva Web Application Firewall's pricing is expensive."
"Everybody complains about the price of this solution."
"There are a couple of different licensing models."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
7%
Computer Software Company
17%
Manufacturing Company
12%
Financial Services Firm
12%
Government
6%
Financial Services Firm
15%
Computer Software Company
12%
Insurance Company
8%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...
What do you like most about Cloudflare?
Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.
What is your experience regarding pricing and costs for Azure Web Application Firewall?
As a technical professional, I am not aware of the exact price details, but I know that specific products are more co...
What needs improvement with Azure Web Application Firewall?
Azure Web Application Firewall could improve in logging and troubleshooting processes by making them more streamlined...
Is Citrix ADC (formerly Netscaler) the best ADC to use and if not why?
For ADC, any ADC can do a good job. But in case if you want to add WAF functionality to the same ADC hardware you hav...
DDoS solutions: Any other solutions to consider aside from Radware DDoS Protection Service and F5 Silverline DDoS Protection?
You can have a look to Imperva Cloud WAF, the anti-DDoS mitigation is under 1s and works very well. I observed a lot ...
 

Also Known As

Cloudflare DNS
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Overview

 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
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BlueCross BlueShield, eHarmony, EMF Broadcasting, GE Healthcare, Metro Bank, The Motley Fool, Siemens
Find out what your peers are saying about Azure Web Application Firewall vs. Imperva Web Application Firewall and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.