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A10 Thunder TPS vs Fortinet FortiDDoS comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 5, 2024

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) (18th)
A10 Thunder TPS
Ranking in Distributed Denial-of-Service (DDoS) Protection
15th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
No ranking in other categories
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
 

Mindshare comparison

As of May 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 14.0%, down from 19.1% compared to the previous year. The mindshare of A10 Thunder TPS is 1.6%, down from 1.9% compared to the previous year. The mindshare of Fortinet FortiDDoS is 2.2%, down from 2.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Cloudflare14.0%
Fortinet FortiDDoS2.2%
A10 Thunder TPS1.6%
Other82.2%
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.
reviewer1126782 - PeerSpot reviewer
Information Technology Security Engineer at a tech services company with 11-50 employees
Management console adds value and technical support delivers timely solutions
I had issues with the user interface because, when putting settings up, the system asked me for strange things like virtual local networks that I didn't create. For example, I set an NTP server, and after some clicks, a message appeared stating 'setup is incorrect'. It asked for a VLAN even though no VLANs were created. We had to find workarounds for issues like A10 blocking necessary traffic, sometimes leading to decreased security, because it was the simplest way to deal with them. This was a real issue. A more flexible policy for demo licenses would also be helpful.
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…

Quotes from Members

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

Pros

"In my opinion, CloudFlare is one of the best CDN networks I have ever used."
"It is very clear and the information is very useful."
"DDoS protection is this product’s most valuable feature."
"The solution provides good load balancing and protection against DDoS attacks."
"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. It gives me peace of mind. I also love the easy customization of the Page Rules."
"I have not had a DDOS attack since, or at least not become unavailable due to DDOS which means my ROI is pretty good."
"The solution is very good at mitigating threats."
"The most valuable feature is the web application firewall."
"The most valuable feature of A10 Thunder TPS is load balancing."
"The solution is easy to use and implement in terms of operations."
"Thunder TPS has automated mitigation and fully managed support in case the device cannot handle the attack. They have engineers available to respond."
"They give us the ability to configure many features for DDoS. There are many items that we can use."
"We selected the solution because of its programmable automated defense using RESTful API. We didn't want to connect to the box. We wanted to be able to do some automation. We wanted to have our own portal because we wanted to connect our customers to our own UI using the A10 API. It has been good and exactly what we need."
"The solution has reduced the amount of manual intervention required during an attack. We have the inline solution and when it comes to the customers that we have on it, it has saved us some troubleshooting time."
"It is a scalable solution."
"Availability is absolutely critical to our business; we get attacked two and three times a day at times, and although the attacks happen every day, they're not a big deal anymore because the mitigation takes care of it."
"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 product allows the users to adjust the thresholds."
"We have researched them all, and it's a good solution all around."
"Packet inspection has been effective for mitigating DDoS attacks."
"We have researched them all, and it's a good solution all around."
"The protection resources and the support are valuable features of the solution."
 

Cons

"It should confirm audit findings of the assigned area with auditees to ensure that the audit conclusions are based on an accurate understanding of the issues."
"They lack a good way to manage DNS as a company, since everything is relegated to single account logins until you get to the higher levels. They have come out with a paid feature to remedy this, but I have not had a chance to fully review it yet to know if it fixes the access problem."
"The solution could be more user-friendly."
"There are some issues with the CDN services."
"Several features that I think is essential is not available in the free and business package."
"Sometimes their more advanced caching tools can cause higher first-byte times and problems with JavaScript."
"Cloudflare does not have an on-premise solution. If they had different approaches they could be better suited to accommodate more customers, such as on-premise and hybrid deployments. For example, hybrid deployments would be useful where you could move the traffic from the enterprise to the cloud."
"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."
"I had issues with the user interface because, when putting settings up, the system asked me for strange things like virtual local networks that I didn't create."
"Its documentation could be better."
"The solution is a little expensive."
"We have had some issues with implementation. So, it is the only area that needs improvement."
"The solution needs improvement in terms of fail-open."
"The last issue we had to contact them about was just a question of a false-positive. The A10 system wasn't supposed to decide what is a false-positive, so if we send it good traffic, it's supposed to just pass that good traffic through, but we opened this last ticket because the A10 did block some of the good traffic."
"The problem here is when you buy another box from A10, they want to put Thunder TPS to run, and it works okay, after which we cannot block it for another solution to be used, which is a problem for me where improvements are needed."
"They have a cloud scrubbing feature that redirects the traffic if the on-prem appliance can't accommodate a large amount of traffic but it's not available where we are."
"I find that there have been issues in the past year with the solution hanging. It freezes often."
"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."
"Alerts and reporting features must be improved."
"There aren't really any aspects of the solution we are unhappy with. It's been a positive experience overall."
"The tool needs to focus more on the area of application traffic management, where it currently has some shortcomings."
"Technical support isn't too good with Fortinet. They could be more responsive and helpful overall."
"All the thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"The initial setup is complex. It is always complex."
 

Pricing and Cost Advice

"The product's pricing is minimal compared to other products."
"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 depends on the usage, but the cheapest would be around 5,000 USD a month."
"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 pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive. It aligns well with the value of their solution."
"It's a premium model. You can start at zero and work your way up to the enterprise model, which has a very high pricing level."
"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."
"We are using the free tier of the solution."
"Pricing was much higher with Arbor (APS) for the same type of solution."
"We did a price survey, and compared to other solutions, A10 Thunder TPS wasn't cheap."
"Pricing is very reasonable."
"The tool is expensive. If one is low price and ten is expensive, I rate the tool's price as a ten."
"The financials are always a challenge with this type of technology. That's not really a product-functionality thing but it's the area where we push A10 the most."
"We may need to pay fifty percent more if we purchase other solutions. For the payments made to A10 Thunder TPS, we have received three-year support."
"We had a customer who was down for six hours and the loss of revenue for him was three times the price he was paying for us per year. The customer just said, "I don't care about paying you because on only one attack I saved money. It's three times better than losing money.""
"It's quite pricey."
"The product’s pricing needs improvement."
"The solution is reasonably priced."
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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
37%
Financial Services Firm
9%
Computer Software Company
7%
Manufacturing Company
6%
Comms Service Provider
12%
Financial Services Firm
9%
Government
8%
Computer Software Company
8%
 

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 Business6
Midsize Enterprise4
Large Enterprise5
By reviewers
Company SizeCount
Small Business10
Large Enterprise6
 

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...
What is your experience regarding pricing and costs for A10 Thunder TPS?
I have not seen specific prices, like $10,000 or $20,000. A frustrating aspect is the lack of demo versions. The vend...
What needs improvement with A10 Thunder TPS?
I had issues with the user interface because, when putting settings up, the system asked me for strange things like v...
What is your primary use case for A10 Thunder TPS?
Currently, I have a test setup. A10 Thunder TPS ( /products/a10-thunder-tps-reviews ) works in a chain with a Check P...
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.
 

Also Known As

Cloudflare DNS
No data available
Fortinet DDoS, FortiDDos
 

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.
DDoS defense solution trusted for more than 200 service providers, online gaming, and enterprises including; Bungie, Comcast, KDDI Corporation, Leaseweb, Microsoft Azure, NTT Docomo, Softbank, Turkcell Superonline, Verizon and more.
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Find out what your peers are saying about A10 Thunder TPS vs. Fortinet FortiDDoS and other solutions. Updated: April 2026.
893,244 professionals have used our research since 2012.