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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
6.8
Number of Reviews
168
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

"The single pane of glass management works very well. That feature is very important because we have a lot of admins who have to manage Duo, and it's much easier when it's a single pane of glass. That single pane is also great because it's easy to enroll new devices."
"We get fewer threats to remediate due to the two-factor authentication, which does not allow as many threats through."
"The solution is easy to use."
"Cisco Duo is a simple and effective tool that gives detailed information about users who connect to your domain."
"The biggest return on investment for me when using Cisco Duo is gaining time, as I don't have to look at ten different MFA apps, and I know it will work."
"The features of Cisco Duo have benefited our organization in terms of security level because before, it was not secure—anybody could get your password and log in—however, with that second layer of defense, it helps us and helps our community."
"For one of my clients, the ROI was somewhere between 25 to 27 percent in year one."
"Cisco Duo just works; that is the best feature."
"The most valuable feature I find in FortiAuthenticator is web filtering."
"We have not had issues with Fortinet FortiAuthenticator. It is stable."
"It is very stable. We have never had any issues with this solution."
"In my opinion, the main benefits that end users receive from Fortinet FortiAuthenticator include more security for their applications, for their systems, and for all their network devices that they are logging into."
"Fortinet FortiAuthenticator is an easy-to-use solution."
"It made things much easier for dealing with users BYOD for our secured wireless networks."
"The most valuable aspect of the solution is the security; it's great."
"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."
"Risk Engine’s risk score, eFN, GeoIP, and device binding all coming together in the Policy Rules to decide when to escalate to MFA."
"One of the most valuable features is the fraud detection capability with minimal friction in the customer experience."
"The most valuable feature is the stock tokens. That works the best for us."
"The capability to manage your business policy related to security when required without vendor involvement."
"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."
"Once we started adopting these products, we've seen the fraud losses go down considerably."
"Ingestion of logs and raising alert space on those logs are the most valuable features."
"It has reduced false positives greatly in our fraud detection ability."
 

Cons

"The only time I really had some negative feedback for them was about the UI of their mobile app, but they improved it in the last version. It is good on the functionality side, but their pricing model is a little bit weird. Currently, there is no price advantage in signing up for yearly contracts. If you are on a monthly term or a yearly contract, you basically pay the same price, and that is very unusual. Normally, there is a discount when someone signs up for the 12-month system."
"I think Cisco Duo can be improved by integrating it more with developer tools; there is not a lot in terms of developer tooling with respect to authenticating to command line toolsets."
"There might be a little slowness, but that could be my connection."
"Technical support seems to be lacking. It takes a long time for them to come back to the customer."
"End-users find it more annoying than anything else."
"We have had instances where Duo Security stops working on a user's device, which we have fixed by uninstalling and then reinstalling it."
"Its documentation must be in French because we are a French-speaking country. They should also provide more training documentation. Its management interface should also be improved. They should also improve its update period. If I compare its update period with other products such as Palo Alto firewalls, this solution is really slow in updates."
"We had some trouble with the password reset function."
"The GUI is not fancy enough and some of the settings are difficult to access."
"FortiAuthenticator should integrate with other applications."
"No SMS gateway from the ISP"
"There is room for improvement in stability and support."
"FortiAuthenticator's interface could be better."
"The product must provide full support for third-party FIDO security keys."
"I would like to see some email options for Fortinet FortiAuthenticator."
"They could expand FortiAuthenticator's capabilities to accommodate a broader range of environments."
"It's an okay solution. It's just old technology and it's time to move on."
"Reporting modules is one of the major areas that can be improved further."
"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."
"I would like to see a more adaptive type of solution, something that we could use on our web pages..."
"RSA Adaptive Authentication lacks a mechanism to verify the identity of a new user in the Enrollment event workflow."
"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."
"The product is basically unusable. We need better ease of use; it's overly complicated."
"It has taken years to implement."
 

Pricing and Cost Advice

"I am not aware of the pricing. There are two departments, and I don't have any information about them."
"My experience with pricing, setup costs, and licensing has been good, with no issues. I am pleased that the prices remained stable after Cisco acquired the solution."
"It falls in line with everything else."
"Cisco's licensing is always a bit complicated to understand, but the price is fair. It could be more expensive than others, but the way they integrate everything, it has a fair price."
"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."
"During testing we are allowed a certain number of licenses for free."
"I only need the solution for IT staff, which makes it relatively cheap. If I deployed it for the whole company, it would be costly, so it depends on the number of users. Duo Security is affordable compared to other products in the segment."
"I rate the product pricing a seven out of ten."
"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."
"You can pay as you go with them. You purchase a base license and add to it as needed."
"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."
"When we buy the Fortinet FortiAuthenticator device there is a comparison between price and security."
"The platform is cost-effective as it does not require a separate license for SD-WAN functionality."
"The product has affordable pricing compared to other vendors."
"The licensing structure is cost-effective for us compared to some of the other solutions that have recurring monthly costs."
"It costs more to license the high-availability option."
"The pricing is $50 per head, yearly."
"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."
"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."
"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%
Comms Service Provider
9%
Manufacturing Company
8%
Manufacturing Company
12%
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 Business65
Midsize Enterprise28
Large Enterprise87
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 ava...
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.
921,148 professionals have used our research since 2012.