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Imperva Application Security Platform vs Radware Kubernetes WAF comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 21, 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

Imperva Application Securit...
Ranking in Web Application Firewall (WAF)
3rd
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
133
Ranking in other categories
CDN (2nd), Distributed Denial-of-Service (DDoS) Protection (4th), Bot Management (1st), API Security (2nd)
Radware Kubernetes WAF
Ranking in Web Application Firewall (WAF)
28th
Average Rating
10.0
Reviews Sentiment
7.8
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Web Application Firewall (WAF) category, the mindshare of Imperva Application Security Platform is 7.8%, up from 7.0% compared to the previous year. The mindshare of Radware Kubernetes WAF is 0.5%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF) Market Share Distribution
ProductMarket Share (%)
Imperva Application Security Platform7.8%
Radware Kubernetes WAF0.5%
Other91.7%
Web Application Firewall (WAF)
 

Featured Reviews

reviewer1247523 - PeerSpot reviewer
Head of Sales Services Department at a comms service provider with 51-200 employees
Solution ensures website availability and proactive threat mitigation
Over the seven years, the most valuable features of Imperva DDoS that I have found are related to DDoS attacks, which are a group of attacks, and not all of them can be resolved on the endpoint level before the website. Using the web firewall before the website is a common use case to protect against malicious requests to the website. 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. It allows me to granularly grant or deny access to certain parts of our website. This helps when we know our customers and the types of requests that can be sent from them, enabling us to block some malicious requests. Imperva DDoS has User Behavior Analytics and Threat Intelligence on its board, and this helps us to be protected proactively. Imperva DDoS connects to its database of threats, storing whole information about attacks all over the world in one simple engine. Everyone can use this feature, which can connect to this engine and get information about what is going on at the world level. That is the way to be protected at the company's level. The integration capabilities of Imperva DDoS are very easy and simple. We can run it in 2 hours.
SR
Network Engineer at Rah Infotech Pvt Ltd
Provides automated protection against web attacks and simplifies deployment with cost-effective pricing
Radware Kubernetes WAF protects our web applications from web-based attacks like SQL injection and cross-site scripting. It provides automation capabilities. For example, if a DDoS attack is happening, it automatically recognizes the attack and prevents it accordingly. Radware Kubernetes WAF provides automation that is effective in dealing with security threats.

Quotes from Members

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

Pros

"If you are using the appliance as opposed to the virtual deployment, it can stand as the network layer-two and provide real transparency."
"The compliance is the most valuable aspect."
"Technical support was very helpful."
"It has fewer false positives"
"The most valuable features of the Imperva Web Application Firewall are DDoS, malware, and the other malicious threat prevention it provides. Additionally, third-party integration is available. You can forward the log for further analysis."
"The solution has a very good interface."
"One good thing about Imperva Web Application Firewall is it can be on the cloud and also it can be on-premise."
"On the site security, I can see which countries have incidents, whether it was a robot attack, a real human user, or non-human user."
"I would give Radware Kubernetes WAF a rating of 10 out of 10."
 

Cons

"It would be beneficial to include vulnerability management in the solution, similar to what they have for their on-premise solution."
"The Imperva Web Application Firewall automations are good, but there is still room for improvement with them."
"There's always room for improvement. Occasionally, there might be false-positive alerts."
"The rules surrounding the making of web applications could be improved."
"I loved the approach of the cloud. The cloud has a lot of new features, like advanced web protection and DDoS protection. If those could also be on-boarded onto the on-prem versions, that would be ideal. They need to pay attention to both deployment options and not just favor one."
"There could be some limitations that from the converged infrastructure perspective: when you want to converge with everything and you want Imperva to get there easily because it's not a cloud component. For example, when you want to build servers and you're using OneView to manage your software-defined networks, implementing Imperva right away is not that simple. But if you're doing just a simple cloud infrastructure with servers in there, you're good to go. Also, we are not able, with Imperva, to block by signatures. Imperva by itself needs to be complemented with another service to do URL filtering."
"Support is one thing I wish Imperva could improve."
"It is complicated to integrate the solution's on-cloud version with other platforms."
"If Radware provides a separate web service like those offered by vendors such as F5 and Imperva, that would be better."
 

Pricing and Cost Advice

"The solution's pricing is an issue."
"Imperva Web Application Firewall's pricing is expensive."
"The tool's pricing is good."
"The cost is on par with other solutions such as Cloudflare and Akamai."
"There are some licenses that you have to buy to use some features. Its price could be better. Price is always important because, at the end of the day, customers have a budget. If you can meet the budget, you can sell, and if you don't, you cannot sell."
"It is a very affordable solution."
"It is not expensive compared to the other similar solutions in this category."
"It is a very expensive solution. The price is very high. A lot of customers tell us that they would love to use Imperva more. I have some customers who have 50 websites, but they have only 10 websites on Imperva because of the price. They would love to have all their websites running through Imperva, but they can't. They have to choose the more critical websites to protect because the price is very high. It is a very good product, but it is too expensive. If you buy a plan for 20 megabytes and you don't consume all of your 20 megabytes, it is okay, but if you consume more, you are charged for the superior traffic."
Information not available
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Comparison Review

it_user68487 - PeerSpot reviewer
Security Expert with 51-200 employees
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
Financial Services Firm
12%
Computer Software Company
9%
Manufacturing Company
9%
Insurance Company
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business83
Midsize Enterprise25
Large Enterprise61
No data available
 

Questions from the Community

Which Web Application Firewall (WAF) would you recommend? R&S or Imperva?
Imperva is a strong choice, given their security focus and ongoing R&D into the product in areas such as bot management.
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, setup costs, and licensing of Imperva DDoS are reasonable for the amount of technical capabilities provided. I would rate the pricing of Imperva DDoS as five, where one is very cheap a...
What needs improvement with Radware Kubernetes WAF?
If Radware provides a separate web service like those offered by vendors such as F5 and Imperva, that would be better.
What is your primary use case for Radware Kubernetes WAF?
We use Radware Kubernetes WAF to protect our web applications from web-based attacks like SQL injection and cross-site scripting. It provides an integrated web with load balancers but does not have...
 

Also Known As

Imperva Bot Management, Imperva Web Application Firewall, Imperva API Security
No data available
 

Overview

 

Sample Customers

Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Information Not Available
Find out what your peers are saying about Fortinet, F5, Imperva and others in Web Application Firewall (WAF). Updated: February 2026.
881,733 professionals have used our research since 2012.