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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
2nd
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
14th
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 June 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 13.2%, down from 19.1% compared to the previous year. The mindshare of Fortinet FortiDDoS is 2.1%, down from 2.7% compared to the previous year. The mindshare of Imperva Application Security Platform is 8.1%, up from 7.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Cloudflare13.2%
Imperva Application Security Platform8.1%
Fortinet FortiDDoS2.1%
Other76.6%
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…
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

"The solution automatically detects and responds to certain types of traffic based on geolocation."
"The initial setup is extremely easy but will require access to your Domain Name Servers."
"Cloudflare has made management of my website much easier by combining various functions in one platform without compromising quality."
"The most valuable feature is its usability."
"Smaller businesses have seen great ROI due to the low investment and strong performance."
"The technical support is good."
"In my opinion, CloudFlare is one of the best CDN networks I have ever used."
"It's a great product because it's scalable, has great coverage, and is mature with good defenses against DDoS attacks."
"The solution is very user-friendly and very easy to use."
"The most valuable feature is the cloud DDoS scrubbing capability."
"It is a user-friendly product in terms of monitoring and updating policies."
"The equipment works very well, and I have not encountered any issues with it. It is a good solution for my company."
"The product allows the users to adjust the thresholds."
"I find the interface easy to use."
"Packet inspection has been effective for mitigating DDoS attacks."
"We've been completely satisfied with the product."
"Our ROI is about 45% since deployment on reduction of our cloud bill."
"Initially, there were over 1,500 vulnerabilities, but we managed to fix almost all of them within three months, leaving only two low severity issues outstanding."
"Imperva Application Security Platform has helped reduce incidents, save time, and improve my organization's security posture with specific measurable outcomes and metrics."
"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."
"Customer Service: Excellent, they answered all our questions."
"The bot management features are very effective, as they help filter unwanted traffic using keywords."
"Thanks to Incapsula, we got easily manageable DDoS protection; HTTP2 and SSL certificates for all the services; CDN in good locations; and we're now sure that our web services can't be exploited remotely because of the WAF feature."
"Imperva Web Application Firewall is a highly stable solution and is very mature."
 

Cons

"Flexible SSL is nothing more than an illusion of security that you're presenting to your visitors."
"The Cloudflare load balancing capability hasn't really helped in enhancing my website's uptime and resiliency because we don't really get that much traffic; it's mostly remote users, and web hosting is done by a web hosting service."
"For large enterprises, the pricing is okay. However, the enterprise price for small projects is a bit high. A mid-tier pricing option would be beneficial."
"We're facing challenges due to an upgrade in the machine learning model. The problem arises from some users abusing the APIs, resulting in an influx of suspicious traffic. Cloudflare's learning model mistakenly identifies this traffic as human. Consequently, it assigns it a higher trust score, akin to legitimate human traffic, causing complications in our architecture. Previously, such traffic would have been categorized as suspicious, enabling us to apply appropriate blocking rules. However, we encounter difficulties distinguishing between genuine and suspicious traffic with the new categorization. Despite these challenges, overall, Cloudflare remains the preferred solution compared to Azure, AWS CloudFront, and Google Cloud Armor."
"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."
"Cloudflare could offer a better view or maybe dashboards of the main resources used in the client."
"Cloudflare could be improved by introducing a mid-tier pricing option."
"We have noticed multiple instances where Cloudflare falsely indicates that our servers are down, even when there is no actual load on them. This makes it challenging for us to identify the exact issue."
"The web interface could be much better."
"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."
"I find that there have been issues in the past year with the solution hanging. It freezes often."
"All those thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"Earlier versions of firmware had bugs that limit my options."
"The only thing they need to do is to automate it. Today, you must create tools that do not require the use of an expert or anyone with special skills."
"Technical support isn't too good with Fortinet. They could be more responsive and helpful overall."
"One improvement I would like to see in Imperva Application Security Platform is the ability to fail over to different sites for my same application."
"If they can bring in generative AI features, that would be useful."
"It is complicated to integrate the solution's on-cloud version with other platforms."
"They guarantee to fix your problem within 15 minutes, but they don’t always keep their word."
"Imperva now offers add-ons to add functionality, but I would like to see these included in the product, even if it would cost more."
"Its price could be improved. It is quite expensive."
"The Imperva Web Application Firewall automations are good, but there is still room for improvement with them."
"Because of all these services, you need to look at the company's services budget."
 

Pricing and Cost Advice

"I believe their performance has improved, but I'd like to refrain from discussing the pricing aspect related to the cloud. The pricing, in my opinion, could be simplified, and I think they should consider reevaluating the pricing for support, as it can be quite high. At times, this cost can make it challenging to choose CARFAGuard or opt for the support."
"The price is reasonable."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive. It aligns well with the value of their solution."
"There are no additional costs beyond the standard licensing fees."
"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."
"We don't have any issues with the price."
"A free version of the solution is available."
"The product’s pricing needs improvement."
"The solution is reasonably priced."
"It's quite pricey."
"The solution's pricing is an issue."
"The cost of this solution depends on the platform."
"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."
"We are satisfied with the pricing."
"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."
"Licensing can range from one to twenty thousand dollars annually. Additionally, some features, including software support, require an annual subscription as well."
"Imperva Web Application Firewall price is higher compared to other solutions. However, everything is included in the price."
"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."
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Comms Service Provider
10%
Computer Software Company
8%
Manufacturing Company
8%
Comms Service Provider
12%
Financial Services Firm
11%
Government
7%
Computer Software Company
7%
Financial Services Firm
13%
Manufacturing Company
9%
Computer Software Company
7%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise11
Large Enterprise26
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?
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 DNS?
The pricing, setup cost, and licensing for Cloudflare are a bit on the higher side overall.
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: June 2026.
900,747 professionals have used our research since 2012.