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Fortinet FortiAuthenticator vs RSA Adaptive Authentication comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Aug 11, 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

Cisco Duo
Sponsored
Ranking in Authentication Systems
2nd
Average Rating
8.8
Reviews Sentiment
6.6
Number of Reviews
176
Ranking in other categories
Single Sign-On (SSO) (5th), Access Management (5th), ZTNA as a Service (2nd), Cisco Security Portfolio (1st), Multi-Factor Authentication (MFA) (1st), AI Data Analysis (7th)
Fortinet FortiAuthenticator
Ranking in Authentication Systems
5th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
65
Ranking in other categories
Single Sign-On (SSO) (10th), Identity Management (IM) (15th), Multi-Factor Authentication (MFA) (2nd)
RSA Adaptive Authentication
Ranking in Authentication Systems
24th
Average Rating
6.8
Number of Reviews
6
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Authentication Systems category, the mindshare of Cisco Duo is 3.7%, down from 7.0% compared to the previous year. The mindshare of Fortinet FortiAuthenticator is 3.1%, down from 6.4% compared to the previous year. The mindshare of RSA Adaptive Authentication is 1.4%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Authentication Systems Mindshare Distribution
ProductMindshare (%)
Cisco Duo3.7%
Fortinet FortiAuthenticator3.1%
RSA Adaptive Authentication1.4%
Other91.8%
Authentication Systems
 

Featured Reviews

Charles Slaustas - PeerSpot reviewer
Information Technology Contractor at Insight global
Supports seamless authentication for users across multiple organizations and personal portals
The features I use in Cisco Duo include Duo Pushes to confirm my identity to the device, and eventually as MFA security was increased, I actually had to use exchange passcodes. Sometimes, I have to go into the site and get into Cisco Duo to retrieve the passcode, and many of them have been two-factor, where the sites send a passcode that I have to enter into Cisco Duo. It has been more of the latter. I have not seen issues with lagging or crashing on Cisco Duo's end; it was usually on the client end, often because someone set up a bad upgrade or there were connection issues with the Cisco Duo cloud through the administrative site.
reviewer2848395 - PeerSpot reviewer
Technical Business Development Manager at a outsourcing company with 501-1,000 employees
Multi-factor security has improved device protection but still needs broader application coverage
Fortinet FortiAuthenticator could be improved in its cost structure. Although it is not expensive, other solutions offer more value for less money. Cisco Duo provides better value in this regard and connects to web applications much more easily, scaling effectively in that sense. While I have never used Cisco Duo to secure other devices in IoT environments, I know Cisco Duo is capable of doing so, whereas Fortinet FortiAuthenticator cannot. Additionally, Cisco Duo is also cheaper. These are the main reasons why we switched away from Fortinet FortiAuthenticator, as it was very limited compared to other solutions available. Fortinet FortiAuthenticator was primarily missing the ability to scale to web applications.
Directorc4e7 - PeerSpot reviewer
Director of Cyber Security at a financial services firm with 1,001-5,000 employees
We need better ease of use; the product is overly complicated
There are many use cases that we have defined based on our business needs Ingestion of logs and raising alert space on those logs are the most valuable features. The product is basically unusable. We need better ease of use; it's overly complicated. It has taken years to implement. We used RSA…

Quotes from Members

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

Pros

"Cisco Duo has benefited our company overall by giving us the ability to have multi-factor authentication."
"Clients I implemented Cisco Duo at immediately feel more confident in their security environment, and we can see a lot of illegal attempts to get in, giving me faith in the product."
"Cisco Duo has positively impacted our organization by improving our overall access security by adding an extra layer of protection beyond passwords."
"Cisco Duo seems very scalable; in my experience, I started with a small-medium business, and in my last contracting position, it was a large one for a major worldwide airline that had hundreds of thousands of devices that could use Cisco Duo, and it scaled very well."
"Once you break that curve, it gives end users a sense of security where they know that if they're trying to sign on to Office 365 or some other application, they need to authenticate with Duo to make sure that they have the multi-factor authentication."
"I appreciate the simple login feature of Cisco Duo; being able to log into your actual page and then having all your apps there is convenient."
"The product is really amazing, and I think it is one of the best documentation sets I have ever seen."
"Cisco Duo has improved my operational efficiency and reduced costs in areas such as authentication, IT support, and security operations, as the ability to use App Push eliminated the need for text messages and additional costs for messaging, also lowering IT support costs because of the simplicity for the end-user experience."
"We switched to FortiAuthenticator because it integrates with our Fortinet products."
"Once you configure it properly, it runs fine."
"It reduces the need for network administrator intervention by allowing the user to perform their own registration and resolve their own password problems and issues."
"The integration into tools, including CI/CD pipelines, is easy and handy."
"The solution is easy to learn and makes it easy for our users to add FortiToken, and it's very easy to integrate if you have other Fortinet devices."
"If you want a more efficient way to manage two-factor authentication for your users, or implement the unit as a cluster member role, the FortiAuthenticator can be incorporated very well into your environment."
"The solution is an integral part of our security for our email network, and like I said, we'll begin using it for other cloud applications."
"The initial setup is a valuable point on Fortinet products. Most of the time, putting the theory into practice on the devices is quite friendly and straightforward. As long as you can read English you can find your way around the solution and make it work. This is a high value point on Fortinet - the way everything is laid out in the web UI is user-friendly and quite straightforward. The UI is quite simple."
"Risk Engine’s risk score, eFN, GeoIP, and device binding all coming together in the Policy Rules to decide when to escalate to MFA."
"Once we started adopting these products, we've seen the fraud losses go down considerably."
"The capability to manage your business policy related to security when required without vendor involvement."
"It has reduced false positives greatly in our fraud detection ability."
"Ingestion of logs and raising alert space on those logs are the most valuable features."
"Our customer are seeing value from the product, as they experience cost reductions. They can stop fraud from their customers, then their customers can have a better experience from their services."
"The most valuable feature is the stock tokens. That works the best for us."
"One of the most valuable features is the fraud detection capability with minimal friction in the customer experience."
 

Cons

"One downside of Cisco Duo is the expense, as there are clients that can afford only the basic package, which does not include Geo-fencing, leaving them unable to pay for the more expensive level, which I do not feel justifies the double price of that upper tier version."
"Often, people do not receive expiration messages, and sometimes, for security reasons, accounts get disabled without notifying the end user, so they mistakenly think something has gone wrong when it really just needs to be re-enabled on the external system."
"The only thing I can think of to improve for tech support is to have a dedicated engineer but then I would get an engineer that has priorities in one area or another and maybe not the scope I need."
"Its management interface should also be improved. They should also improve its update period."
"If you want easier management, Duo wouldn't meet that need."
"Duo was clearly purchased, and Cisco has a lot of other panels for their Firepower products, et cetera. They need to continue bringing it, Umbrella, and the endpoint pieces even more together and make the integration a little more seamless among all of them."
"In my opinion, Cisco Duo could improve with better integration, particularly with Entra ID, as many organizations use Microsoft products."
"On a scale from one being the worst to ten being the best, I would rate my customer service and technical support experience as a seven."
"The hardware aspect of the solution could be improved. We are not really able to understand the hardware capabilities of the device."
"Their technical staff needs improvement because they take too much time to resolve issues."
"I think the tool could provide this solution on the cloud."
"It would be helpful to receive a code by yourself for authentication instead of it registered to a phone."
"The GUI is on the older side but I'm sure that it will be upgraded soon. It works, but it looks a little dated."
"If two-factor authentication is needed also for the end-devices, for example endpoints or servers, I think FortiAuthenticator is not yet the most mature solution."
"The GUI has some shortcomings and can be made better. The GUI is not great."
"Regarding Fortinet technical support, I would say a six. Most of the time, the engineer will take time, such as 24 hours or 48 hours, maybe even more, because most of the time, they appear, gather the logs, and then disappear."
"The product is basically unusable. We need better ease of use; it's overly complicated."
"I would like to see a more adaptive type of solution, something that we could use on our web pages..."
"Better filters when searching for events. The current features for current filters when searching fraud events are not very comprehensive. You can only filter by certain fields in the transaction."
"RSA Adaptive Authentication lacks a mechanism to verify the identity of a new user in the Enrollment event workflow."
"Reporting modules is one of the major areas that can be improved further."
"It has taken years to implement."
"I think I would like to see them use more of our data, and give us more ability to control or configure how the protection patterns work for a specific business, and also provide more transparency into the methodology."
"It's an okay solution. It's just old technology and it's time to move on."
 

Pricing and Cost Advice

"The cost was reasonable. Licensing was pretty straightforward for a change."
"The pricing was a lot more than what we were paying for our previous solution."
"My experience with the pricing, setup cost, and licensing of Cisco Duo has been great. We've been there for 10 years. While we haven't gone through the setup part for a while, licensing is straightforward and convenient for higher education because student populations are included. So, we don't have to pay extra for it. We just pay for our knowledge workers, which has been great, and the cost is reasonable."
"Its price is reasonable. It is not highly expensive."
"It falls in line with everything else."
"The product’s pricing is reasonable."
"Price-wise, the solution has been very, very reasonable...Licensing is the last thing I think about Duo Security because it's so easy, and I had no problems with it."
"I haven't seen any information on the pricing in four years, so I can't comment on that."
"On a scale of one to ten, where one is a high price and ten is a low price, I rate the pricing a seven."
"I would rate the pricing a four out of ten, where one is cheap, and ten is expensive. It is not that costly. It is cheap, easy to manage, easy to install, and easy to configure."
"The product could be more competitively priced."
"The solution is not very expensive."
"The platform provides a user-based pricing model rather than a subscription pricing model."
"Between paying them to help with the configuration, the box itself, and the support, it came to like $12,500, including a three-year service agreement."
"You can pay as you go with them. You purchase a base license and add to it as needed."
"When we buy the Fortinet FortiAuthenticator device there is a comparison between price and security."
"The pricing is $50 per head, yearly."
"Customers need to deploy the solution in a very expensive infrastructure. RSA should should think about a less expensive infrastructure for customers because the solution costs around $100,000, and the infrastructure needed to support that solution may be even more expensive than that price."
"You may need to opt for second best if funding is low and the number of users is huge. However, the pricing is able to be negotiated if your user figures are huge."
"Keep the proxy service layer on premises. That consumes SaaS security services on the back-end."
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Top Industries

By visitors reading reviews
Outsourcing Company
12%
Financial Services Firm
11%
Manufacturing Company
9%
Comms Service Provider
9%
Manufacturing Company
13%
Comms Service Provider
11%
Outsourcing Company
10%
Construction Company
8%
Financial Services Firm
23%
Construction Company
15%
Outsourcing Company
11%
Healthcare Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business66
Midsize Enterprise29
Large Enterprise93
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise19
Large Enterprise11
By reviewers
Company SizeCount
Small Business1
Midsize Enterprise1
Large Enterprise6
 

Questions from the Community

How does Duo Security compare with Microsoft Authenticator?
We switched to Duo Security for identity verification. We’d been using a competitor but got the chance to evaluate Du...
What is your experience regarding pricing and costs for Duo Security?
Regarding the pricing, what actually happened was that we got the product purchased through our HQ, so the costing as...
What needs improvement with Duo Security?
I do not have a straight answer for how Cisco Duo can be improved at this time. With the implementation that we are g...
What is your experience regarding pricing and costs for Fortinet FortiAuthenticator?
My experience with Fortinet FortiAuthenticator's pricing found the pricing to be good. There are better solutions...
What needs improvement with Fortinet FortiAuthenticator?
Fortinet FortiAuthenticator could be improved in its cost structure. Although it is not expensive, other solutions of...
What is your primary use case for Fortinet FortiAuthenticator?
Fortinet FortiAuthenticator was implemented as a multi-factor authentication solution to serve as a second barrier fo...
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Also Known As

Duo Security
FortiAuthenticator
No data available
 

Overview

 

Sample Customers

Information Not Available
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
ADP, Ameritas, Partners Healthcare
Find out what your peers are saying about Fortinet FortiAuthenticator vs. RSA Adaptive Authentication and other solutions. Updated: November 2026.
921,665 professionals have used our research since 2012.