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Azure Web Application Firewall vs Imperva DDoS comparison

 

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:
 

ROI

Sentiment score
6.0
Azure WAF cuts costs, eliminates third-party needs, improves ROI, meets security requirements, and offers reliable, favorable protection.
Sentiment score
6.3
Imperva DDoS ROI is complex, influenced by compliance, mitigation, cost savings, and service availability, enhancing financial efficiencies.
AI-based recommendations save on time and money.
Recently, they have been under serious attack with major exploits, such as Log4j, affecting Fortinet and Palo Alto, and even Cisco and VMware.
They know how much money they are losing while the system is down, so by increasing the possibility of not having a down website or web application, return on investment can be calculated easily.
 

Customer Service

Sentiment score
7.1
Azure Web Application Firewall support varies; premium plans offer better service, while others find self-reliance sufficient.
Sentiment score
7.2
Imperva DDoS support receives mixed reviews but is praised for fast resolutions, 24/7 availability, and improved quality.
I hardly use Microsoft's paid subscription or maintenance services, however, whenever I send them a note, they have been responsive.
I am very satisfied with the response from Microsoft dedicated architects if it happens that I have to call for their support.
I would rate the technical support of Imperva DDoS as ten.
 

Scalability Issues

Sentiment score
7.6
Azure Web Application Firewall offers flexible scaling options, dependent on subscription, with high ratings for managing large deployments.
Sentiment score
7.9
Imperva DDoS efficiently scales in cloud environments, though licensing costs and transitions from on-premise can pose challenges.
Some Azure applications, like the web application firewall, require a certain level of SKU for hosting setup.
99% of customers are using the cloud version of Imperva DDoS protection, so they just purchase the new license and scale as needed.
 

Stability Issues

Sentiment score
8.0
Azure Web Application Firewall is stable and reliable, with rare performance issues, mainly solved by system restart.
Sentiment score
7.8
Imperva DDoS is highly stable with few incidents, rated 8-9 for performance despite occasional cloud-related content delivery issues.
Very rarely do I see any latency issues.
The stability of Imperva DDoS is very good, as it seems they have a lot of servers around the world.
 

Room For Improvement

Azure WAF needs improvements in management, deployment simplicity, affordability, IP support, and comprehensive documentation for better user experience.
Imperva DDoS needs interface improvements, reliable support, pricing transparency, enhanced features, and better global integration for reduced latency.
Upgrading the platform regularly is necessary for security, however, frequent updates every six months or year from Azure can be a maintenance overhead.
Maybe Imperva DDoS could use endpoints to get information about the attacks before they commence from the endpoint level or establish cooperation with endpoint vendors to share this information.
 

Setup Cost

Enterprise users find Azure Web Application Firewall cost-effective and straightforward compared to AWS and GCP, especially in Brazil.
Enterprise users find Imperva DDoS competitive, with zero setup costs; prices range $200-$10,000/month, offering valuable protection.
It is even a lower cost compared to AWS and GCP.
Sometimes, when opting for a higher SKU, it's not the WAF itself that's costly but the additional requirements.
I would rate the pricing of Imperva DDoS as five, where one is very cheap and ten is very expensive.
 

Valuable Features

Azure Web Application Firewall offers scalable, easy-to-configure protection with flexible pricing, enhancing security against DDoS and unauthorized access.
Imperva DDoS provides robust, cloud-based security with ease of use, real-time monitoring, and comprehensive protection against attacks.
With Microsoft, everything is within a single suite, making it easier to configure and plan.
It is almost impossible to access these assets from outside, requiring a very skilled attacker to obtain asset tokens of a customer using Azure.
I have utilized Imperva's Intelligent Traffic Filtering feature. This feature helps me understand how the attack is progressing and what is happening inside the requests to our website.
 

Categories and Ranking

Azure Web Application Firewall
Ranking in Web Application Firewall (WAF)
12th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
13
Ranking in other categories
Microsoft Security Suite (20th)
Imperva DDoS
Ranking in Web Application Firewall (WAF)
21st
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
78
Ranking in other categories
CDN (6th), Distributed Denial-of-Service (DDoS) Protection (8th)
 

Mindshare comparison

As of June 2025, in the Web Application Firewall (WAF) category, the mindshare of Azure Web Application Firewall is 4.4%, down from 4.7% compared to the previous year. The mindshare of Imperva DDoS is 1.9%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF)
 

Featured Reviews

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.
DerrickAkankwasa - PeerSpot reviewer
Provide DDoS protection and better security at effective rate
It is expanding its number of data centers for scrubbing traffic. Currently, there is only one POP for cleaning in South Africa. They might add another POP in North Africa, possibly in Nigeria or Egypt. Latency concerns customers, especially in regions like East and West Africa, where traffic has to travel to South Africa before returning. Increasing the number of POPs across the continent would help address these latency issues and improve overall service. While the platform is already quite strong, there’s always room for improvement, especially in keeping up with emerging trends and new types of attacks. Enhancing security capabilities could be beneficial. Integrating more advanced AI features could significantly improve its effectiveness and help customers leverage these tools more effectively. It would be great to see more focus on AI integration to handle and analyze data more efficiently.
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Comparison Review

it_user68487 - PeerSpot reviewer
Nov 6, 2013
CloudFlare vs Incapsula: Web Application Firewall
CloudFlare vs Incapsula: Round 2 Web Application Firewall Comparative Penetration Testing Analysis Report v1.0 Summary This document contains the results of a second comparative penetration test conducted by a team of security specialists at Zero Science Lab against two cloud-based Web…
 

Top Industries

By visitors reading reviews
Computer Software Company
18%
Financial Services Firm
12%
Manufacturing Company
11%
Government
7%
Financial Services Firm
16%
Computer Software Company
14%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What is your experience regarding pricing and costs for Azure Web Application Firewall?
The pricing is okay at the moment. Sometimes, when opting for a higher SKU, it's not the WAF itself that's costly but the additional requirements. A higher SKU application hosting platform adds to ...
What needs improvement with Azure Web Application Firewall?
While using it, I identified certain areas where it would have been good to have additional features. Right now, I can't recall any specific instances. Seamless integration is good, yet having mult...
What do you like most about Imperva Incapsula?
We use Imperva DDoS to stop DDoS attacks and reduce the amount of unwanted queries against web services or web scraping.
What is your experience regarding pricing and costs for Imperva DDoS?
The pricing is rated a ten on a scale where ten is very expensive. The solution is only cloud-based and does not provide on-premises services.
What needs improvement with Imperva DDoS?
Pricing can be improved, as it is quite expensive. Additionally, support response times for emails can sometimes be delayed, which is an area that could use improvement.
 

Also Known As

No data available
Imperva Incapsula
 

Overview

 

Sample Customers

Information Not Available
Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Find out what your peers are saying about Azure Web Application Firewall vs. Imperva DDoS and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.