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Fortinet FortiWeb Cloud WAF-as-a-Service vs Imperva DDoS comparison

 

Comparison Buyer's Guide

Executive Summary

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

Fortinet FortiWeb Cloud WAF...
Ranking in Web Application Firewall (WAF)
26th
Average Rating
9.0
Reviews Sentiment
8.7
Number of Reviews
4
Ranking in other categories
No ranking in other categories
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 Fortinet FortiWeb Cloud WAF-as-a-Service is 0.6%, up from 0.1% 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

Lilian Blaitt - PeerSpot reviewer
Efficiently identifies and addresses vulnerabilities while providing robust protection
It is a secure tool. It is user-friendly and easy to work with. It is possible to easily find vulnerabilities with the WAF. I understand that the return is good since I haven't had any significant attacks. The vulnerabilities I found were easy to close. I think the return is good. It is a good tool.
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.

Quotes from Members

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

Pros

"The company provides technical support, and they are mostly available 24/7."
"I rate the overall solution ten out of ten."
"Fortinet FortiWeb offers a variety of protections, including machine learning that helps protect web applications."
"The stability of the solution is excellent."
"It is a secure tool."
"It is user-friendly and easy to work with."
"The technical support is really good."
"The complete solution is valuable for everything it delivers and the protection it offers."
"They're quite easy to install and quite easy to set up. Clients really like that. Especially when you're dealing with the cloud, it's really easy."
"The solution has a very good interface."
"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."
"The most valuable features for us are the DDoS and Bot."
"The setup of Imperva DDoS was easy."
"Imperva DDoS is fairly stable, and its availability is quite high."
"On the activity log, I can see the exact details, the visit, and the threat."
 

Cons

"The only thing I encountered was related to integration, mostly concerning translation."
"I do not have any notes on improvement."
"The usability of the interface could be improved as it is not user-friendly."
"The usability of the interface could be improved as it is not user-friendly."
"The rules surrounding the making of web applications could be improved."
"Analytics in the area of risk need to be improved to supply more information to the users for creating better environments."
"Incapsula services also provides load balancing services for their service IP address environment. So far, with monitoring their services, the IP address was only changed once."
"The salespeople tend to exaggerate its capabilities, which can cost you money if you don't verify the information."
"I would like to see improvements in the pooling of threats and attacks, possibly to enlarge the scale of indicators of compromise."
"The weakest point of Imperva is their first level of support, which should be improved. They should also improve the access and security logs viewing directly on the portal. I would like to see better access and security logs through the portal and not only through a SIM solution. Currently, if you want to explore your access and security logs from Imperva, you need a SIM tool or a SIM infrastructure on your side to do it. You can't do it manually or directly through the portal, which is a big problem for us. I had a call yesterday with Imperva for the roadmap, and I just told them this. They agreed that this is an improvement point from their side."
"I am not sure if this application has a policy where you can create your custom policy and run it as our firewall. We should have some ability to also create some custom policy, then run it as a firewall."
"The product could use a broader scope in the area of policies."
 

Pricing and Cost Advice

Information not available
"We are satisfied with the pricing."
"There is a license or subscription renewal that our customers pay."
"​Although the pricing can be a little high, it is worth the protection and security that it offers.​"
"The license is on a yearly basis."
"The cost is somewhere around $10,000 a site. For every site, you pay individually. For every DNS entry, you have you pay."
"We have an issue with Imperva Incapsula in the Iraqi market because of the high price."
"The solution's price is high for small companies."
"For enterprise contracts you will be in touch with a dedicated account manager who will guide you regarding licensing."
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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
No data available
Financial Services Firm
16%
Computer Software Company
14%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Fortinet FortiWeb Cloud WAF-as-a-Service?
The price is not the cheapest, but it offers great value for money. I would rate it as an eight out of ten for pricing.
What needs improvement with Fortinet FortiWeb Cloud WAF-as-a-Service?
While we find the solution to be really good overall, some improvements could be made to the alerting system, specifically around the health checks of endpoints. Enhancements to the X header forwar...
What is your primary use case for Fortinet FortiWeb Cloud WAF-as-a-Service?
We use Fortinet FortiWeb Cloud WAF-as-a-Service situated in front of our web-facing APIs. This includes everything that is customer-facing, business-to-business APIs, and things like that.
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 Fortinet FortiWeb Cloud WAF-as-a-Service vs. Imperva DDoS and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.