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Imperva Web Application Firewall vs Radware Cloud WAF Service comparison

Imperva and Radware are both solutions in the Web Application Firewall (WAF) category. Imperva is ranked #7 with an average rating of 8.8, while Radware is ranked #9 with an average rating of 8.9. Imperva holds a 5.6% mindshare in WAF, compared to Radware’s 1.5% mindshare. Additionally, 97% of Imperva users are willing to recommend the solution, compared to 100% of Radware users who would recommend it.
Imperva Web Application Fir...
Read 52 Imperva Web Application Firewall reviews
  • 4,495 Views
  • 2,154 Comparison Views
97% willing to recommend
Radware Cloud WAF Service
Read 32 Radware Cloud WAF Service reviews
  • 2,714 Views
  • 472 Comparison Views
100% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Jan 1, 2025

Imperva Web Application Firewall and Radware Cloud WAF Service compete in the web application security market. Imperva seems to have the upper hand due to its comprehensive feature set and high ROI despite its pricing.

Features: Imperva Web Application Firewall provides DDoS prevention, bot protection, and advanced application security. Its dynamic profiling, signature-based policies, and AI-driven security measures are highly valued. Radware Cloud WAF Service is noted for its DDoS and bot mitigation along with intuitive analytics and CDN features that enhance performance.

Room for Improvement: Imperva faces challenges with GUI complexity, policy management, and integration limitations. Users seek improvements in visibility, automation, and cost. Radware requires better API documentation, integration, and reporting. Users have indicated the need for enhanced customer education resources and certificate management.

Ease of Deployment and Customer Service: Imperva offers deployment flexibility across on-premises, cloud, and hybrid configurations, though support is quicker for cloud setups. Radware performs well in cloud deployment with scalable options, but customer service efficiency and integration with third-party tools could be improved. Both solutions provide effective technical support.

Pricing and ROI: Imperva's pricing is considered expensive, especially for SMBs and markets outside the US, but offers high ROI due to its robust security options. Radware's pricing is competitive, particularly with bundled options, offering API protection and bot management services, and is generally regarded as favorable.

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To learn more, read our detailed Imperva Web Application Firewall vs. Radware Cloud WAF Service Report (Updated: June 2025).
Buyer's Guide
Imperva Web Application Firewall vs. Radware Cloud WAF Service
June 2025
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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 Web Application Fir...
Ranking in Web Application Firewall (WAF)
7th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
No ranking in other categories
Radware Cloud WAF Service
Ranking in Web Application Firewall (WAF)
9th
Average Rating
8.8
Reviews Sentiment
8.1
Number of Reviews
32
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Web Application Firewall (WAF) category, the mindshare of Imperva Web Application Firewall is 5.6%, down from 6.6% compared to the previous year. The mindshare of Radware Cloud WAF Service is 1.5%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF)
 

Featured Reviews

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.
Read full review
Tanuj-Garg - PeerSpot reviewer
API discovery, bot defense, and DDoS capability optimize application security and development
I see areas in Radware Cloud WAF Service for improvement, specifically in its initial tuning period, because the machine learning model takes two to three weeks for baseline behavior establishment. Closely monitoring alerts during this period is essential to avoid false positives. There's an alert noise issue; during the early stages, we received a high volume of alerts for minor issues, requiring collaboration with the SOC team to fine-tune thresholds and concentrate on genuine threats. The documentation is not up to par, as while the platform's system is robust, the documentation, particularly for API integration, could be more developer-friendly with real-world use cases.
Read full review

Quotes from Members

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

Pros

"Very intuitive and granular configuration - It does not require much time, or advanced knowledge, for configuration and maintenance."
"There are many features. There is ease of deployment. You can deploy the Imperva Web Application Firewall in two to three minutes. After that, you have to set the policies. For setting policies, you have toggle buttons. You can turn something on or off."
"It works right out of the box once you integrate the application."
"The solution can scale."
"There are some features that are configured by default, so even without doing much, it can still provide a level of protection."
"Protection is the best solution since it has profile functionality."
"The solution is stable."
"The WAF itself has been very valuable to me because it has such a complete range of features. Another reason why I like it is because it also takes care of the total overview of the traffic over the network."
More Imperva Web Application Firewall pros
"The most valuable feature is the monitoring dashboard that we access through the portal."
"From a financial point of view, we no longer need to appropriate more horsepower to our backend web servers constantly to service these requests because Cloud WAF is preventing malicious bots from accessing our web page. It reduced the load on our backend."
"Radware Cloud WAF Service ensures our systems are stable, running smoothly, and blocking all attacks effectively."
"It has significantly reduced attacks on our applications."
"I highly recommend this product to others because I'm satisfied with the mitigation and proactive protection."
"Importantly, we have not experienced any zero-day attacks because Radware Cloud offers protection against emerging threats."
"One of the most valuable features we have found in the solution is protection against attacks from botnet networks and the requests that these remote networks can generate that are blocked from our servers. That frees us from having to deal with that traffic."
"Radware Cloud WAF Service is user-friendly and easy to deploy."
More Radware Cloud WAF Service pros
 

Cons

"Imperva Web Application Firewall can improve by adding more features to the dashboard. increasing the visibility of the real-time events, besides configuring the administration itself."
"The reporting is missing some features, such as: only two export formats, and the time period does not include the last day, week, year."
"In the past, I have bugs on the WAF. I've contacted Imperva about them. Future releases should be less buggy."
"The tool's UI is complicated. It would be best to have a more accessible UI dashboard to make the job easier."
"I would like to improve the tool's turnaround time in terms of support."
"Some of the features should be included in the next release is a file integrating monitoring tool. This feature should be improved."
"The UI interface needs improvement."
"There is nothing specific where the application firewall is falling short."
More Imperva Web Application Firewall cons
"Cloud WAF's management portal lacks many indicators, and the interface could be more user-friendly. It should provide more detailed information on events, possible solutions, and what each event means. While it does give you the event and block part, it doesn't give you a solution. Let's say, for example, someone wants to go into an SQL injection and find a possible solution other than the blocking part, there are no details. It would be good to have possible solutions or the ability to create an automated report to send to the developers in the portal."
"There is a lot more that is expected from Radware's automated analytics for looking at events. There needs to be more context of where protection is required these days."
"Our only complaint is the reporting on the DDoS side. We also use Radware for on-premises DDoS protection and their Vision product. I just want to give paint you an example. We face so many Layer 3 and Layer 4 DDoS attacks on Cloud WAF. The reporting on those types of attacks can be improved."
"Alert messages for DDoS attacks or other things take time to reach us, causing delays in our response."
"The reporting features could be more intuitive with more real-time monitoring, which would help make faster decisions."
"Some of the tools are a bit difficult to navigate, and the user interface could be more user-friendly."
"Radware Cloud WAF Service has limited integrations, and I would like to see it integrate with our use of Azure DevOps."
"The initial setup was complex and took a long time to complete."
More Radware Cloud WAF Service cons
 

Pricing and Cost Advice

"The tool is expensive."
"The price is high compared to other solutions like FortiWeb."
"Imperva Web Application Firewall's pricing is expensive."
"Make sure you understand the way that Imperva charges. It's very affordable. However, I would like to see a package with the Virtual Patching included. You get to do patching separately."
"The pricing is somewhat expensive. It is actually a huge investment when compared to other countries."
"Imperva Web Application Firewall is expensive."
"The price of this solution is a little bit high compared to competitors."
"Imperva Web Application Firewall price is higher compared to other solutions. However, everything is included in the price."
More Imperva Web Application Firewall pricing and cost advice
"I believe the prices are fair."
"Radware Cloud WAF Service falls within a mid-range price bracket compared to other web application firewall solutions."
"We evaluated other options and, if I remember correctly, one of them was Fortinet, but they didn't seem as effective as Radware. But the price was the biggest difference. Radware had the best price for our type of network and level of scaling."
"If you plan to deploy Cloud WAF, keep in mind that the product is priced based on the megabits of traffic that pass through and the number of transactions. You should get your requirements correct up front. The active attackers feed and CDN services cost extra, so you need to negotiate these features upfront."
"When compared to Akamai and F5, Radware's pricing and licensing are highly competitive."
"I am not directly involved in pricing and setup cost discussions, but it seems that Radware offers a more cost-effective solution compared to F5. It is considered a good value for our budget."
"The pricing is fair; it's neither particularly cheap nor expensive."
"For the current market, the price for Radware Cloud WAF Service is exactly where we want it to be."
More Radware Cloud WAF Service pricing and cost advice
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Top Industries

By visitors reading reviews
Financial Services Firm
16%
Computer Software Company
12%
Insurance Company
8%
Manufacturing Company
6%
Computer Software Company
22%
Manufacturing Company
11%
Retailer
10%
Financial Services Firm
9%
 

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?
My recommendation is Imperva.
See all answers
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 have to look for other ADC's like F5, Imperva, Radware, Fortinet, etc.
See all answers
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 of DDoS attacks that were well managed (even not seen by the customer) by Imperv...
See all answers
What is your experience regarding pricing and costs for Radware Cloud WAF Service?
I would rate the cost around seven out of ten. Radware provides many different options, but it may not be affordable for companies that aren't large.
See all answers
What needs improvement with Radware Cloud WAF Service?
When it comes to support, I would suggest having a dedicated number for our clients for better identification in case of issues, as the varying numbers make it easy to miss important calls. Additio...
See all answers
What is your primary use case for Radware Cloud WAF Service?
Our use cases for Radware Cloud WAF Service include all of our applications, such as online banking applications, as I work for a bank. It works effectively. Our payment systems also operate throug...
See all answers
 

Comparisons

Microsoft Azure Application Gateway vs Imperva Web Application Firewall Logo
Microsoft Azure Application Gateway vs Imperva Web Application Firewall
Compared 15% of the time
F5 Advanced WAF vs Imperva Web Application Firewall Logo
F5 Advanced WAF vs Imperva Web Application Firewall
Compared 12% of the time
Azure Front Door vs Imperva Web Application Firewall Logo
Azure Front Door vs Imperva Web Application Firewall
Compared 9% of the time
AWS WAF vs Imperva Web Application Firewall Logo
AWS WAF vs Imperva Web Application Firewall
Compared 8% of the time
Fortinet FortiWeb vs Imperva Web Application Firewall Logo
Fortinet FortiWeb vs Imperva Web Application Firewall
Compared 6% of the time
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Cloudflare Web Application Firewall vs Radware Cloud WAF Service Logo
Cloudflare Web Application Firewall vs Radware Cloud WAF Service
Compared 29% of the time
AWS WAF vs Radware Cloud WAF Service Logo
AWS WAF vs Radware Cloud WAF Service
Compared 19% of the time
Fortinet FortiWeb vs Radware Cloud WAF Service Logo
Fortinet FortiWeb vs Radware Cloud WAF Service
Compared 18% of the time
Azure Front Door vs Radware Cloud WAF Service Logo
Azure Front Door vs Radware Cloud WAF Service
Compared 7% of the time
Check Point CloudGuard WAF vs Radware Cloud WAF Service Logo
Check Point CloudGuard WAF vs Radware Cloud WAF Service
Compared 7% of the time
More Radware Cloud WAF Service Competitors
 

Product Reports

Buyer's Guide
Imperva Web Application Firewall
June 2025
Imperva Web Application Firewall reportDownload Imperva Web Application Firewall product report
Buyer's Guide
Radware Cloud WAF Service
June 2025
Radware Cloud WAF Service reportDownload Radware Cloud WAF Service product report
 

Overview

Imperva Web Application Firewall is a versatile solution that protects web applications and databases from various attacks, including DDoS, cross-site scripting, and SQL injection attacks. It offers data security, availability, and access control and can be deployed on-premises or on the cloud. 

The solution has good security against web attacks and offers advanced bot protection, API security, and mitigation features. Imperva WAF is easy to configure and deploy; it has good customer service and an excellent user interface.

Imperva

Radware’s Cloud WAF provides enterprise-grade, continuously adaptive web application security protection. Based on Radware’s ICSA Labs certified, market-leading web application firewall, it provides full coverage of OWASP Top-10 threats and zero-day attacks, while implementing both negative and positive web application security models to automatically adapt protections to evolving threats and protected assets.

Radware’s Cloud WAF offers full web security protection including OWASP Top-10 coverage, advanced attack protection and 0-day attack protection by implementing both negative and positive web application security models. It provides organizations “frictionless” application protection by automatically detecting and protecting new web applications as they are added to the network through automatic policy generation technology.

Radware
 

Sample Customers

BlueCross BlueShield, eHarmony, EMF Broadcasting, GE Healthcare, Metro Bank, The Motley Fool, Siemens
Information Not Available
Buyer's Guide
Imperva Web Application Firewall vs. Radware Cloud WAF Service
June 2025
Free Report: Imperva Web Application Firewall vs. Radware Cloud WAF Service
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