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Arbor DDoS vs Fortinet FortiAppSec Cloud 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

Arbor DDoS
Ranking in Distributed Denial-of-Service (DDoS) Protection
3rd
Average Rating
8.8
Reviews Sentiment
6.9
Number of Reviews
57
Ranking in other categories
No ranking in other categories
Fortinet FortiAppSec Cloud
Ranking in Distributed Denial-of-Service (DDoS) Protection
18th
Average Rating
9.0
Reviews Sentiment
6.6
Number of Reviews
2
Ranking in other categories
CDN (11th), Web Application Firewall (WAF) (26th), API Security (17th), Dynamic Application Security Testing (DAST) (9th)
 

Mindshare comparison

As of August 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Arbor DDoS is 6.1%, down from 12.1% compared to the previous year. The mindshare of Fortinet FortiAppSec Cloud is 1.3%. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Arbor DDoS6.1%
Fortinet FortiAppSec Cloud1.3%
Other92.6%
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

reviewer1331304 - PeerSpot reviewer
Director Of Research And Development at a comms service provider with 11-50 employees
Automated threat intelligence and flow-based mitigation have improved our DDoS defense
A very useful feature in Arbor DDoS is its ability to send flow spec announcements to routers. For example, if it is clear that a Layer 3 or Layer 4 attack is occurring and the attack pattern is identified through source and destination IP addresses and ports, you can generate flow spec filters. These filters are transferred through BGP to border routers, which automatically build filters, mitigating the attack even at the network's boundary and preventing it from reaching the TMS. This allows the TMS to focus on other tasks. This is a highly effective feature that can mitigate huge volumetric attacks; for example, we experienced a 32-gigabit attack, and all those 32 gigabits were dropped by our border routers, not by Arbor DDoS itself. The flow spec announcement was generated by Arbor DDoS, and as far as I know, the same technology is used by Radware, but it comes under a different feature and a different license. At the time, we were told that flow spec mitigation was an additional very expensive license to purchase from Radware, while Radware included everything in one package.
OE
CIO at a financial services firm with 51-200 employees
Advanced threat protection has reduced financial risk and improves application security visibility
The issue I have with Fortinet FortiAppSec Cloud is that the real-time analysis is not robust; I am unable to see all the logs of everything that happened, including what is passive. It only logs when there are suspicious activities, which means if something is not considered suspicious by Fortinet, I will not see the full picture. That is a disadvantage because it will not log unless it identifies an IOC or attacks, meaning I cannot see traffic information in a way that helps build more intelligence. The biggest issue I have with Fortinet FortiAppSec Cloud is that the logging is not as extensive as I would prefer. For instance, if there was an issue two days ago and Fortinet FortiAppSec Cloud did not mark it as a concern, I will not see any information about that, making it challenging to explain to customers if their request did not reach us. It hampers visibility from an API perspective. They need to enhance monitoring and logging to be more extensive and capture even passive activities. The AI integration in Fortinet FortiAppSec Cloud is still new. The generative models are good, but there is much work left to improve. It is not as intelligent as it could be; thus, enhancements around the AI co-assistant would be beneficial. Additionally, logging and monitoring need improvement as I can capture traffic and investigate offline on my Fortinet firewall, including full traffic view, but Fortinet FortiAppSec Cloud currently focuses only on security concerns, which does not give the complete picture.

Quotes from Members

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

Pros

"We use almost all the features of Arbor DDoS, but it really depends on the customer’s requirements, so I can’t specify exactly which features we use. However, many customers appreciate the basic DDoS protection, especially those without specific protection needs. For example, financial companies benefit from the cloud DDoS protection. It’s a straightforward solution that effectively meets their needs."
"It's an excellent product DDoS protection against attacks."
"Companies that live from their presence on the internet will get a very high return on investment from Arbor."
"Arbor DDoS has given us a very good ROI."
"It improves our organization by preventing attacks and improving the availability of the network on services, which provides a better service to customers."
"Go for it."
"I have a lot of experience with the technical support for multiple vendors (HPE, Cisco, Palo Alto Networks, Imperva, etc.) and the Arbor support is really good; usually, they respond with the workaround for your issue."
"Very user-friendly GUI Simplest way of mitigation Predefined filters/techniques to easily stop the attacks and start mitigation."
"My favorite Fortinet device is the FortiGate next-gen firewall itself; it is a complete suite with intrusion prevention, intrusion detection, anti-malware, anti-DDoS, and SD-WAN functionalities."
"We have seen a reduction in incidents and a good return on investment from Fortinet FortiAppSec Cloud, with our return on investment around 60%."
 

Cons

"Arbor Pravail APS devices do not sync features or config the backup enough. This needs to be improved."
"The implementation should be made easier."
"It could include a lot of enhancements related to AI and automation."
"We need a SaaS model for the solution."
"I believe that the Arbor Cloud should be available, even if the customer does not have any Arbor appliance on-premise."
"There is always room for improvement for any product or service. If we can bring in more agility when deploying services, that is definitely a scope which we can work towards. Nowadays, everything is being offered as a service model. It is not that we have to deploy the physical hardware, many things move up to the cloud, or even can be delivered in the VNS form in the customer's environment as well. So, in that space, if we can add more features to make it more seamless for customers to use and make it available through some marketplace, not only at the hyperscalers, but also for any on-prem deployment, that definitely would be a big plus."
"Implementation could be better."
"If we want to see live traffic, we can do so, but once an attack that lasts for five minutes is done, the data is no longer there."
"Real-time traffic analysis has posed an issue for us because we did not see logs for legitimate traffic."
"The issue I have with Fortinet FortiAppSec Cloud is that the real-time analysis is not robust; I am unable to see all the logs of everything that happened, including what is passive."
 

Pricing and Cost Advice

"Arbor DDoS is quite expensive, but all these solutions are expensive because they deal with confidential information."
"There is room for improvement with the pricing. It is an expensive solution. The issue with the pricing is more the way it is built. Right now we're paying per router, and there's a limitation there. I would like to see bundle-pricing where there is an overall solution cost."
"You need to find a way to get a good offering from Arbor by negotiating a price. That is the challenge."
"The price is a little high."
"We do not use the Arbor Cloud DDoS solution because it is too costly."
"I believe that the price of Arbor DDoS falls under the bracket of medium to high price."
"The price of this solution is a little high in the African market, it should be lower."
"I don't know about the pricing details as our company's service provider offers us the solution as an inbuilt feature within the internet bandwidth they provide us."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Comms Service Provider
13%
Outsourcing Company
7%
Computer Software Company
7%
Construction Company
22%
Financial Services Firm
11%
Healthcare Company
11%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business26
Midsize Enterprise14
Large Enterprise29
No data available
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
I would say if it’s an ISP that will build a scrubbing center, Netscout/Arbor is a good solution. In all other solutions, Imperva is a great choice.
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 Arbor DDoS?
The prices for Arbor DDoS are expensive. The licensing is subscription-based. From our sales department, they discuss that prices are very high.
What needs improvement with Fortinet FortiAppSec Cloud?
Real-time traffic analysis has posed an issue for us because we did not see logs for legitimate traffic. A separate license is needed for Fortinet FortiAppSec Cloud to send logs to other cloud serv...
What is your primary use case for Fortinet FortiAppSec Cloud?
Fortinet FortiAppSec Cloud is used as a WAF solution.
What advice do you have for others considering Fortinet FortiAppSec Cloud?
We are a customer running Fortinet FortiAppSec Cloud for both our organization and one for our customer. Three users use Fortinet FortiAppSec Cloud. As administrators, it is easy to maintain. Using...
 

Also Known As

Arbor Networks SP, Arbor Networks TMS, Arbor Cloud for ENT
No data available
 

Overview

 

Sample Customers

Xtel Communications
Information Not Available
Find out what your peers are saying about Arbor DDoS vs. Fortinet FortiAppSec Cloud and other solutions. Updated: August 2026.
909,725 professionals have used our research since 2012.