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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

Cloudflare
Sponsored
Ranking in Distributed Denial-of-Service (DDoS) Protection
3rd
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
79
Ranking in other categories
CDN (1st), WAN Optimization (4th), Managed DNS (1st), Domain Name System (DNS) Security (5th), Cloud Security Posture Management (CSPM) (17th)
Fortinet FortiDDoS
Ranking in Distributed Denial-of-Service (DDoS) Protection
12th
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
7.0
Number of Reviews
136
Ranking in other categories
CDN (3rd), Web Application Firewall (WAF) (3rd), Bot Management (1st), API Security (2nd)
 

Mindshare comparison

As of April 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 14.9%, down from 18.8% compared to the previous year. The mindshare of Fortinet FortiDDoS is 2.3%, down from 2.8% compared to the previous year. The mindshare of Imperva Application Security Platform is 8.3%, up from 7.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Cloudflare14.9%
Imperva Application Security Platform8.3%
Fortinet FortiDDoS2.3%
Other74.5%
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

M.A. Faisal - PeerSpot reviewer
General Manager at bKash Limited
Advanced protection has secured critical web workloads and provides clear traffic visibility
From a security perspective, there remains a security loophole, as some browsers in the market can bypass the Turnstile solution, which requires approximately 40 seconds to do so. From a performance perspective, this is acceptable. We also tried Google reCAPTCHA, and that can also be bypassed. From a security perspective, I would say neither solution is completely secured. Regarding uptime, we have faced a couple of incidents due to Cloudflare in recent years, so I cannot say we receive 100% uptime for our region. We sometimes face challenges, including downtime and other issues. As a result, we are not receiving 100% uptime from Cloudflare's solution. Since most of our customers are in this region, we need alternatives. We need something more competitive than Cloudflare. Unfortunately, in Bangladesh, Cloudflare has three points of presence already, and we cannot find any other solution provider in Bangladesh as an alternative, which presents another challenge. Competitor solutions have more attack signatures, which ensure better security compared to Cloudflare's predefined configurations. Customers do not have options to modify any configuration parameters in Cloudflare, whereas other competitor solutions, such as F5 Distributed Cloud, allow customers to tune configurations according to their requirements. Cloudflare could improve in this area. Additionally, regarding visibility, Cloudflare has static visibility, but they could adopt dynamic graph features for their customers.
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…
ST
Senior Cybersecurity Consultant at Cyberoutcome Limited
Strong policies and bot defenses have secured critical APIs and have reduced attack noise
From my research regarding the IAM space that Imperva Application Security Platform is trying to look into, I believe they still need to do a lot of modeling and modification to make sure that also helps. There are several competitors in the IAM space, so Imperva would do well if they can do some basic modeling and modifications from my own personal research and my own experience in the IAM space. Alternatively, they could actually just focus on trying to be stronger in the web application space and the database activity monitoring space.The main reason it is not a perfect ten is regarding support. At times, having to reach the support team takes eight hours to ten hours maximum. There are times when clients could have urgent issues to attend to. The support team could do more by having a faster response rate.

Quotes from Members

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

Pros

"It is a fast and secure DNS."
"Because our website is blazing fast it improves our conversion rates."
"The technical support on offer is excellent; they are very helpful and responsive, and we are quite happy with the level of service they provide to their customers."
"The simplicity of the overall dashboard makes it a great product for a user like me who has less understanding of the internet than a developer or other more technical people."
"Centralized, full-featured DNS."
"What I like best about Cloudflare is that my company can use it to trace and manage applications and monitor traffic. The solution tells you if there's a spike in traffic. Cloudflare also sends you a link to check your equipment and deployment and track it through peering, so it's a valuable tool."
"The setup and configuration is also easy to perform and their support is excellent."
"Stability is great; I love their mechanisms, I love their GUI, I love their front end, I love their behind the scenes, algorithms and everything, it all makes sense."
"The solution already has security profiles and it can protect from DDoS attacks and other kinds of attacks."
"The solution is very user-friendly and very easy to use."
"We have researched them all, and it's a good solution all around."
"The pricing of this solution is better than that of Cisco and other software on the market, which are very expensive."
"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 product allows the users to adjust the thresholds."
"I find this product the best on-premises (in-line) DDoS mitigation solution that suits my current and future requirements."
"The bot management features are very effective, as they help filter unwanted traffic using keywords."
"Imperva Incapsula has many valuable features. One, it protects the top 10 OWAS vulnerability, the open web application software platform, this is standard. Secondly, it protects against broken authentication. As well, it has remote execution of code."
"Keep your sites strongly secured but sleep easier knowing Imperva Incapsula continuously baffles our penetration testers."
"Its inline transferring mode is the most valuable because it is 100% transparent. When you change the IP, there is no change on the network side. If you can't and want to try to reach an IP, you can reach the server IP. There are many other advanced security features in it. The smallest appliances of Imperva can handle the highest traffic at a customer site. For example, a smaller appliance from Imperva can provide you the same security as an F5 product."
"One good thing about Imperva Web Application Firewall is it can be on the cloud and also it can be on-premise."
"My advice to anyone considering Imperva Web Application Firewall is that they can safely go to this environment without having a second thought."
"Imperva solutions are the best in terms of stability."
"Imperva makes it easier for us to put everything in code; we use Terraform to deploy our infrastructure."
 

Cons

"It looks like they don't support as many TLDs as other registrars, but since they are very new as a registrar, I expect this may improve soon."
"Eventually, things go sideways and require fixes when it would have been easier to prevent the issue initially."
"The timing aspect can lead to it being considered overpriced. This is a particular concern we have with Cloudflare, as they may struggle with accurately detecting the client."
"There should be a specific price list for enterprise-level customers."
"The one feature that is paid is the custom nameservers instead of using the default ones, I want to use a custom one."
"The product support needs to be accessible from more places, a wider area of coverage."
"Honestly the product has not really improved the way of my organisation."
"Integration involving API with other products could be more user-friendly."
"The product’s pricing needs improvement."
"All those thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"I would like to see analytics, big data."
"Earlier versions of firmware had bugs that limit my options."
"The primary area for improvement is the on-premises capacity limit, currently fixed at 10 GB."
"The web interface could be much better."
"The main improvement would be to change the firewall model, however, currently, everything is fixed and working well."
"The solution can be a little more user-friendly and it can be more affordable."
"Sometimes, support tickets don't get addressed quickly."
"We've had some issues with them in terms of response times, but overall they are okay."
"It would be useful if the solution used more intelligence in attack protection."
"Sometimes our web application firewall will slow down."
"The product's customization capabilities are a bit problematic, requiring support cases for backend modifications."
"It's quite expensive."
"They need to work on the customer support; in my opinion, this is their weakest point. Some of their support representatives really have no idea how their service works."
"The process to upgrade from one version to another can be a lot simpler than it is currently."
 

Pricing and Cost Advice

"So far I use free tier and happy with it. You can subscribe to business package if needed."
"That is one of the great features. I was able to access the majority of the features and services for free."
"In terms of licensing costs, we don't pay for licensing for Cloudflare. We only establish communication, then for peering, Cloudflare takes care of the cross-connection in different data centers."
"For Cloudflare, I recommend it heavily for small businesses with revenue under a couple of million dollars. Onboarding is easy, and they even have a free plan. This makes it simple for businesses in the $100,000-$500,000 range to try it out and see its value, allowing them to scale up their infrastructure as needed."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The solution has many features but there are ones that you need to pay for. Sometimes you have to find out which is available for free and which you have to pay for."
"The pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive. It aligns well with the value of their solution."
"Cloudflare's pricing is not much higher and is good for middle-level organizations."
"The product’s pricing needs improvement."
"The solution is reasonably priced."
"It's quite pricey."
"The solution's pricing is an issue."
"On a scale from one to ten, where one is cheap and ten is expensive, I rate the solution's pricing a five out of ten."
"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."
"There is a license or subscription renewal that our customers pay."
"Pricing could be more competitive."
"Varies depending on the needs of the customer."
"It is very costly, but the return on investment is very high. Its cost was around $70,000, and we got it back in just six months."
"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."
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Comms Service Provider
10%
Computer Software Company
9%
Manufacturing Company
8%
Comms Service Provider
11%
Financial Services Firm
9%
Government
8%
Computer Software Company
8%
Financial Services Firm
12%
Manufacturing Company
8%
Computer Software Company
8%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise9
Large Enterprise26
By reviewers
Company SizeCount
Small Business10
Large Enterprise6
By reviewers
Company SizeCount
Small Business84
Midsize Enterprise25
Large Enterprise62
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...
What is your experience regarding pricing and costs for Cloudflare?
The tool's pricing is moderate. I rate the product’s pricing a five out of ten, where one is cheap, and ten is expens...
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...
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 mana...
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 provi...
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 o...
 

Also Known As

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

Overview

 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
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: April 2026.
886,719 professionals have used our research since 2012.