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Fortinet FortiADC 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:
 

ROI

Sentiment score
6.6
Fortinet FortiADC is chosen for reliable load management, security, and support, offering moderate ROI and essential performance.
Sentiment score
6.3
Imperva DDoS ROI is complex, influenced by compliance, mitigation, cost savings, and service availability, enhancing financial efficiencies.
The alert system is efficient, sending alerts within a fraction of a second if any power issues arise.
They know how much money they are losing while the system is down, so by increasing the possibility of not having a down website or web application, return on investment can be calculated easily.
 

Customer Service

Sentiment score
6.1
Fortinet FortiADC customer service is praised for effective support but varies in response time and relies on ticket prioritization.
Sentiment score
7.2
Imperva DDoS support receives mixed reviews but is praised for fast resolutions, 24/7 availability, and improved quality.
The support team is knowledgeable and efficiently assists with automation and configuration problems.
The service is helpful yet not excellent.
I would rate the technical support of Imperva DDoS as ten.
 

Scalability Issues

Sentiment score
7.5
Fortinet FortiADC provides scalable solutions with virtual and cloud options, though performance varies by model and infrastructure needs.
Sentiment score
7.9
Imperva DDoS efficiently scales in cloud environments, though licensing costs and transitions from on-premise can pose challenges.
It is scalable for some versions, however, as components reach their end of support, upgrades are necessary to maintain scalability.
99% of customers are using the cloud version of Imperva DDoS protection, so they just purchase the new license and scale as needed.
 

Stability Issues

Sentiment score
8.2
Fortinet FortiADC is praised for stability, reliable operation, effective support, and minor issues resolved through firmware updates.
Sentiment score
7.8
Imperva DDoS is highly stable with few incidents, rated 8-9 for performance despite occasional cloud-related content delivery issues.
The support system is reliable when issues like automation or configuration arise.
The stability of Imperva DDoS is very good, as it seems they have a lot of servers around the world.
 

Room For Improvement

Fortinet FortiADC needs advancements in algorithms, UI, support, documentation, scalability, features, pricing, licensing, performance, cloud, and AI integration.
Imperva DDoS needs interface improvements, reliable support, pricing transparency, enhanced features, and better global integration for reduced latency.
The limitation of managing all components and the differing versions pose challenges.
If I need design help, they do not assist; they say it is a design issue they cannot support, and I must approach the system integrator.
Maybe Imperva DDoS could use endpoints to get information about the attacks before they commence from the endpoint level or establish cooperation with endpoint vendors to share this information.
 

Setup Cost

Fortinet FortiADC is affordable compared to competitors, with flexible licensing, varying costs, and potential discounts based on configurations.
Enterprise users find Imperva DDoS competitive, with zero setup costs; prices range $200-$10,000/month, offering valuable protection.
This solution is quite expensive compared to Kemp.
I would rate the pricing of Imperva DDoS as five, where one is very cheap and ten is very expensive.
 

Valuable Features

Fortinet FortiADC excels in load balancing, security, and ease of integration, offering scalable, reliable, and comprehensive traffic management solutions.
Imperva DDoS provides robust, cloud-based security with ease of use, real-time monitoring, and comprehensive protection against attacks.
I use server load balancing and employ layer seven features, which provide more granular traffic shaping and detailed logs.
FortiADC provides load-balancing capabilities needed for integration with other Fortinet platforms.
I have utilized Imperva's Intelligent Traffic Filtering feature. This feature helps me understand how the attack is progressing and what is happening inside the requests to our website.
 

Categories and Ranking

Fortinet FortiADC
Average Rating
7.8
Reviews Sentiment
6.8
Number of Reviews
24
Ranking in other categories
Application Delivery Controllers (ADC) (7th)
Imperva DDoS
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
78
Ranking in other categories
CDN (6th), Web Application Firewall (WAF) (21st), Distributed Denial-of-Service (DDoS) Protection (8th)
 

Mindshare comparison

Fortinet FortiADC and Imperva DDoS aren’t in the same category and serve different purposes. Fortinet FortiADC is designed for Application Delivery Controllers (ADC) and holds a mindshare of 10.1%, up 8.1% compared to last year.
Imperva DDoS, on the other hand, focuses on Distributed Denial-of-Service (DDoS) Protection, holds 6.4% mindshare, down 7.9% since last year.
Application Delivery Controllers (ADC)
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

OusaidAbaz - PeerSpot reviewer
Integrates load balancing efficiently within existing technology environments
FortiADC provides load-balancing capabilities needed for integration with other Fortinet platforms. It allows for the creation of virtual IPs and applying various algorithms for traffic management. Although it offers fewer algorithms than competing platforms like F5, its capability to manage load balancing makes it valuable. The security features depend on the environment, relying on firewalls like FortiGate.
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.
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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
Computer Software Company
17%
Government
9%
Financial Services Firm
9%
University
6%
Financial Services Firm
16%
Computer Software Company
14%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

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.
Do you recommend Fortinet FortiADC?
I recommend Fortinet FortiADC. My experience with Fortinet has been very positive. Our company has been using it for around five years. We mainly use FortiADC for the load balancing of application ...
What do you like most about Fortinet FortiADC?
The user interface is very easy and integrates with Sandbox easily.
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

FortiADC Application Delivery Controller, FortiADC
Imperva Incapsula
 

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 NetScaler, F5, Microsoft and others in Application Delivery Controllers (ADC). Updated: June 2025.
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