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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
2nd
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
78
Ranking in other categories
CDN (1st), WAN Optimization (4th), Managed DNS (1st), Domain Name System (DNS) Security (5th), Cloud Security Posture Management (CSPM) (10th)
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 March 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 16.2%, down from 18.2% compared to the previous year. The mindshare of A10 Thunder TPS is 1.7%, up from 1.7% compared to the previous year. The mindshare of Fortinet FortiDDoS is 2.3%, 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 (%)
Cloudflare16.2%
Fortinet FortiDDoS2.3%
A10 Thunder TPS1.7%
Other79.8%
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.
RR
Pre-Sales Manager at Vinlano
Monitoring capabilities improve threat detection and customer satisfaction
I am looking for a UTM for my customers as I am from a system integrator company Packet inspection has been effective for mitigating DDoS attacks. Real-time attack monitoring is integrated under FortiManager, so we do not always monitor the dashboard. Customers have not experienced issues and…

Quotes from Members

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

Pros

"The setup and configuration is also easy to perform and their support is excellent."
"Cloudflare consolidates various capabilities into one product, streamlining processes."
"The tool is user-friendly."
"It's a great product because it's scalable, has great coverage, and is mature with good defenses against DDoS attacks."
"The solution is stable, and the DNS servers are simple to use."
"CloudFlare has positively improved my site's speed, performance and security."
"DDoS protection is this product’s most valuable feature."
"Centralized, full-featured DNS."
"The product's initial setup phase is very simple."
"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."
"Thunder TPS has automated mitigation and fully managed support in case the device cannot handle the attack. They have engineers available to respond."
"The solution is easy to use and implement in terms of operations."
"It is a scalable solution."
"Based on previous equipment that we had, it's amazing that this device can do what it can do in a 1U form factor. The devices that we have right now have never gone over capacity and we've actually mitigated some pretty large attacks."
"The solution's support is one of the coolest things about the product. I"
"I had a rather positive experience with A10 Networks Support Service."
"The most valuable feature is the cloud DDoS scrubbing capability."
"Among its key features: Detects and mitigates DDoS attacks at L3 to L7; negligible to zero false-positives; Generates and sends reports without the need for an expensive third-party solution."
"I find this product the best on-premises (in-line) DDoS mitigation solution that suits my current and future requirements."
"The product's initial setup phase was really easy."
"This solution can protect Layer 3, Layer 4 and Layer 7 attacks of applications for us."
"Packet inspection has been effective for mitigating DDoS 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."
 

Cons

"Several features that I think is essential is not available in the free and business package."
"The solution could work at being less expensive. It costs a lot to use it."
"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."
"It would be helpful if the solution could continue evolving to compete with the other solutions on the market."
"The pricing could be improved."
"It should have easier documentation for the configuration. It's very technical and people who aren't technical should also be able to do the configuration."
"The integration of LLMs on the dashboard is something that is needed in the tool."
"If they improve on the placement of their data centers, it would be better. I'm living in a remote area. I would like to connect to them without any kind of lag."
"The solution is a little expensive."
"We currently do not use the solution's machine-learning-powered Zero-day Automated Protection because of an issue with it... We also use the aGalaxy platform, which is a management platform for the TPS devices. The issue is that some TPS features were added at the TPS level but weren't carried over to aGalaxy, and we manage all of our devices through aGalaxy. So we can't actually use some of the new features that are available on the TPS because that functionality doesn't exist in aGalaxy. That is one of my biggest complaints."
"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."
"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. Their support had to tweak it a little bit, but it wasn't anything that took a long time."
"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."
"I would like for them to develop an advanced reporting feature."
"I rate Thunder TPS seven out of 10 for scalability."
"The primary area for improvement is the on-premises capacity limit, currently fixed at 10 GB."
"I would like to see analytics, big data."
"All the thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"The web interface could be much better."
"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."
"The solution can be a little more user-friendly and it can be more affordable."
"There aren't really any aspects of the solution we are unhappy with. It's been a positive experience overall."
"The main improvement would be to change the firewall model, however, currently, everything is fixed and working well."
 

Pricing and Cost Advice

"I give the price a five out of ten."
"There are no additional costs beyond the standard licensing fees."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The product's pricing is minimal compared to other products."
"The price is reasonable."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"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."
"The cost primarily depends on the size of the organization."
"The tool is expensive. If one is low price and ten is expensive, I rate the tool's price as a ten."
"We did a price survey, and compared to other solutions, A10 Thunder TPS wasn't cheap."
"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.""
"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."
"Pricing is very reasonable."
"Pricing was much higher with Arbor (APS) for the same type of solution."
"The product’s pricing needs improvement."
"It's quite pricey."
"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
9%
Manufacturing Company
8%
Comms Service Provider
37%
Financial Services Firm
10%
Computer Software Company
6%
Manufacturing Company
6%
Manufacturing Company
10%
Comms Service Provider
10%
Computer Software Company
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise8
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 do you like most about Cloudflare?
Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.
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: March 2026.
884,933 professionals have used our research since 2012.