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Fortinet FortiDDoS vs Imperva Application Security Platform comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 22, 2026

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 FortiDDoS
Ranking in Distributed Denial-of-Service (DDoS) Protection
15th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
15
Ranking in other categories
No ranking in other categories
Imperva Application Securit...
Ranking in Distributed Denial-of-Service (DDoS) Protection
4th
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
147
Ranking in other categories
CDN (2nd), Web Application Firewall (WAF) (1st), Bot Management (1st), API Security (1st)
 

Mindshare comparison

As of September 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Fortinet FortiDDoS is 1.8%, down from 2.6% compared to the previous year. The mindshare of Imperva Application Security Platform is 7.7%, up from 7.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Imperva Application Security Platform7.7%
Fortinet FortiDDoS1.8%
Other90.5%
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

MO
IT Analyst at Evapco, Inc.
Reliable protection and smooth setup enhance company security
Currently, I have two firewalls, with one located in Sorocaba, model 90D, and the other in São Paulo, model 30D. They are connected by VPN. I use the firewalls for VPN and final protection for my company, and my equipment is maintained by an internet company called Multiprox The equipment works…
reviewer2818155 - PeerSpot reviewer
Senior Associate at a tech vendor with 10,001+ employees
Application protection has improved and reporting and dashboards still need refinement
I believe Imperva Application Security Platform should have a more interactive wizard. While the dashboard is good, it could be more eye-catching. Based on my perspective, I recommend modifying the dashboards, especially the main dashboard where I can see the traffic hit count, alerts, and other latest information. In terms of reporting, I find it challenging to create reports; in my earlier days, it was difficult. Over time, I have learned how to create reports, but it should be easier to do so. I have used other tools such as firewalls or SolarWinds, where creating a report is straightforward and does not take much time, unlike in Imperva, where I have to add many elements. Modifications in the integration aspects would also be beneficial.

Quotes from Members

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

Pros

"Packet inspection has been effective for mitigating DDoS attacks."
"Among its key features: Detects and mitigates DDoS attacks at L3 to L7; negligible to zero false-positives; Generates and sends reports without the need for an expensive third-party solution."
"It is a user-friendly product in terms of monitoring and updating policies."
"I find this product the best on-premises (in-line) DDoS mitigation solution that suits my current and future requirements."
"It allows me to see all the traffic on my network."
"The solution already has security profiles and it can protect from DDoS attacks and other kinds of attacks."
"The equipment works very well, and I have not encountered any issues with it. It is a good solution for my company."
"We have researched them all, and it's a good solution all around."
"Learning mode and custom policies are helpful features."
"The most valuable feature of Imperva DDoS is to make our website available for our customers' requests 24 hours a day."
"Human contact Fast SLA Trustworthy and excellent communication Highly-functional back office with user friendly reports and intelligence on bad IPS and malicious software is at very high level and very quick."
"It's a good product."
"We are using Incapsula as our web application firewall and for DDoS protection, and it performs really well at its job."
"It has helped a lot with working among, and creating a link between, different teams in my organization, of course I’m referring to security, networking and system application teams."
"DDoS protection and WAF are the most valuable features. It is easy to deploy a service. It is easy and quick to deploy to a new website."
"On the real time, you can see live traffic, which is flowing into our website."
 

Cons

"The initial setup is complex. It is always complex."
"Earlier versions of firmware had bugs that limit my options."
"There aren't really any aspects of the solution we are unhappy with. It's been a positive experience overall."
"Alerts and reporting features must be improved."
"I find that there have been issues in the past year with the solution hanging. It freezes often."
"The product’s pricing needs improvement."
"I would like to see analytics, big data."
"The main improvement would be to change the firewall model, however, currently, everything is fixed and working well."
"Another area that could do with improvement is certificate management. I do not like the way that Incapsula handles certificates very much."
"I would suggest that Imperva Application Security Platform should include new features combined with AI."
"We faced issues regarding compliance with client procedures. The client had strict compliance rules, and Imperva needed to be on a VM, while the client required containerization, causing a conflict. They went with Imperva for the on-premise version but shelved the cloud project due to too many blockers."
"Sometimes, support tickets don't get addressed quickly."
"I think that better bot protection is needed in this solution."
"Although we're only using it for the accelerator part, the purging of files and the way this feature functions could use improvement."
"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."
"I would rate the solution as an 8 out of 10, simply because of the difficulty of operation management. It's a complicated tool to keep."
 

Pricing and Cost Advice

"The solution is reasonably priced."
"It's quite pricey."
"The product’s pricing needs improvement."
"​Although the pricing can be a little high, it is worth the protection and security that it offers.​"
"Everybody complains about the price of this solution."
"It's an excellent product, but it can be very costly."
"The price of this solution is a little bit high compared to competitors."
"There are a couple of different licensing models."
"The cost of this solution depends on the platform."
"Pricing could be more competitive."
"We sell three-year licenses for Imperva Web Application Firewall to our customers. The price is a little expensive."
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Top Industries

By visitors reading reviews
Comms Service Provider
14%
Financial Services Firm
10%
Government
7%
Manufacturing Company
7%
Outsourcing Company
12%
Financial Services Firm
11%
Construction Company
8%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Large Enterprise6
By reviewers
Company SizeCount
Small Business88
Midsize Enterprise25
Large Enterprise70
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Arbor would be the best bid, apart from Arbor, Palo Alto and Fortinet have good solutions. As this is an ISP, I would prefer Arbor.
What is your experience regarding pricing and costs for Fortinet FortiDDoS?
Fortinet FortiDDoS offers lower costs compared to other solutions. The licensing costs are annually renewed.
What needs improvement with Fortinet FortiDDoS?
There is a need for more features that protect personal information, especially given the PDP issue in Indonesia.
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 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 Imperva DDoS?
I would like to see improvements in the pooling of threats and attacks, possibly to enlarge the scale of indicators of compromise. For example, the initiation of an attack on the endpoint level cou...
 

Also Known As

Fortinet DDoS, FortiDDos
Imperva Bot Management, Imperva Web Application Firewall, Imperva API Security
 

Overview

 

Sample Customers

Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Find out what your peers are saying about Fortinet FortiDDoS vs. Imperva Application Security Platform and other solutions. Updated: September 2026.
913,806 professionals have used our research since 2012.