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Delinea Authentication Service vs Fortinet FortiAuthenticator comparison

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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

Cisco Duo
Sponsored
Ranking in Authentication Systems
2nd
Average Rating
8.8
Reviews Sentiment
6.7
Number of Reviews
173
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)
Delinea Authentication Service
Ranking in Authentication Systems
17th
Average Rating
9.0
Reviews Sentiment
6.3
Number of Reviews
1
Ranking in other categories
Active Directory Bridge (4th)
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)
 

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 Delinea Authentication Service is 0.8%, up from 0.4% compared to the previous year. The mindshare of Fortinet FortiAuthenticator is 3.1%, down from 6.4% 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%
Delinea Authentication Service0.8%
Other92.4%
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.
Francesco Panacea - PeerSpot reviewer
Senior Consultant at Deloitte Risk Advisory
Offers a reliable platform for securing administrative access and reduces cloud maintenance overhead
I have not found many drawbacks in Delinea Authentication Service, but perhaps they could focus more on the development of the platform for all of the products. I mean, rather than having Secret Server and Privilege Manager as silos, they could have a unique platform. In future updates of this solution, I would like to see features that other PAM vendors are adding, such as machine identities, AI, agentic security, and perhaps certificate security for Delinea. Delinea integrates with third-party tools by having some out-of-the-box connectors, but not for all. Adding more connectors could be an evolution for the next product. Responsiveness could be another area of improvement. They are pretty much slow to respond or perhaps I don't get the answers I want.
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.

Quotes from Members

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

Pros

"The feature I like the most about Cisco Duo is that it allows us to authenticate users before they can connect to our network from outside of our company."
"The features I value most about Cisco Duo are the push notification and the ability to select how I want to authenticate, and I primarily use the push method."
"The product is really amazing, and I think it is one of the best documentation sets I have ever seen."
"Cisco Duo has unified the authentication method and really simplified it to where the end user doesn't have to interact with any authentication method."
"We get fewer threats to remediate due to the two-factor authentication, which does not allow as many threats through."
"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."
"Regarding stability and reliability of Cisco Duo, I would say it is 99.9% reliable and stable."
"In my opinion, the best features Cisco Duo offers include its 2FA authentication, which is very good, everything is perfect about the features, it is very easy to use, and the integration with other systems is very good."
"The best feature of Delinea Authentication Service, in my opinion, is that Delinea is a leader in the Gartner Magic Quadrant for PAM solutions, particularly with Secret Server, which we used, and also the Privilege Manager."
"The product is stable and reliable."
"The most valuable feature is the flexibility in using the SMS messages."
"This was a regulation we needed to fill and it worked at a good price."
"The initial setup of Fortinet FortiAuthenticator was straightforward, working effectively out of the box."
"This is a cost effective and flexible solution."
"FortiAuthenticator is a very good solution. It is all jury-based. FortiAuthenticator is very easy for anyone to understand how it works and be able to take action."
"The biggest advantages of Fortinet FortiAuthenticator are that it's easy to deploy, easy to manage, and the GUI is a very strong interface."
"It is very stable. We have never had any issues with this solution."
 

Cons

"I'm not a big fan of relicensing products every year or two years, but that's the model at the moment. I prefer to go back to licensing perpetually or permanent licensing."
"I cannot think of a specific feature that should be focused on for improvement, but perhaps addressing the trouble we have when people are changing phones would help."
"Cisco Duo has not helped my company reduce its overall authentication-related costs, as it is a cost above what we already have."
"The product could be more intuitive on the app."
"I chose eight out of ten because there are some features which we are awaiting from Cisco that they are building."
"Duo Security could be improved with the addition of more applications."
"For upgrades, there should be a better notification of when they're coming out. We always have a testing phase, so we need to be ahead of it. It takes us longer before we can upgrade to the newest version."
"Cisco Duo is a fully cloud-based solution. It would be beneficial if Cisco provided a fully on-premise solution."
"Responsiveness could be another area of improvement. They are pretty much slow to respond or perhaps I don't get the answers I want."
"The solution could be more automated. It should be able to let me automate a lot of things so that what normally is done as a matter of manual processes can be handled quicker. Slow integrations can be taken up/out if there was more automation."
"They could expand FortiAuthenticator's capabilities to accommodate a broader range of environments."
"A better integration with other vendors."
"The customization capability of Fortinet FortiAuthenticator is not very flexible."
"It would be helpful to receive a code by yourself for authentication instead of it registered to a phone."
"The stability of Fortinet FortiAuthenticator is rated as six out of ten, indicating some instability issues."
"For improvement, Fortinet needs to ensure that they provide quick support to users...Fortinet sometimes needs to respond to users facing issues within an hour."
"Technical support used to be much better. Fortinet seems to be downgrading, so everything takes longer to get a response in comparison to the past."
 

Pricing and Cost Advice

"I haven't seen any information on the pricing in four years, so I can't comment on that."
"During testing we are allowed a certain number of licenses for free."
"Cisco has the most expensive products because market leaders tend to charge a lot."
"Duo Security is free."
"It's a bit confusing because we're on a three-year plan with a certain number of licenses, and we've gone over that number. They told us that when we renew, they will add all these licenses. We've expanded quickly, so everyone's kind of scared because no one knows what the bill is with the long pricing cycle."
"I haven't seen it in a while, but it's at par with everything else licensing-wise."
"It is affordable for what's coming to the table with it, but in this day and age, the cost is looked at under a microscope, and companies need to very finely define what is needed versus what is critical. In some cases, it might not be cost-effective for a company to have it. In a lot of other cases, it is the cost of doing business."
"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."
Information not available
"The product could be more competitively priced."
"FAC is an affordable solution for Middle Range (200E/400E) and also needs a package of mobility agents (2,000) perpetual."
"The product has affordable pricing compared to other vendors."
"I rate the product price as two or three on a one-to-ten scale, where one is expensive, and ten is cheap."
"We pay for licensing on a yearly basis."
"You can pay as you go with them. You purchase a base license and add to it as needed."
"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."
"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."
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Top Industries

By visitors reading reviews
Outsourcing Company
12%
Financial Services Firm
11%
Comms Service Provider
9%
Manufacturing Company
8%
No data available
Manufacturing Company
13%
Comms Service Provider
11%
Outsourcing Company
10%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business66
Midsize Enterprise29
Large Enterprise92
No data available
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise19
Large Enterprise11
 

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 needs improvement with Delinea Authentication Service?
I have not found many drawbacks in Delinea Authentication Service, but perhaps they could focus more on the developme...
What is your primary use case for Delinea Authentication Service?
I use the product to secure the system administrators' access to the crown jewels of the customer.
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...
 

Also Known As

Duo Security
Centrify Authentication Service
FortiAuthenticator
 

Overview

 

Sample Customers

Information Not Available
GOGO
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Find out what your peers are saying about Microsoft, Cisco, Okta and others in Authentication Systems. Updated: October 2026.
921,338 professionals have used our research since 2012.