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Julien Mousqueton - PeerSpot reviewer
CTO at a tech vendor with 10,001+ employees
Reseller
Mar 5, 2023
Fair price, improves security, and easily integrates with existing infrastructure
Pros and Cons
  • "For me and my customers, the best feature is that it's very easy to integrate with the existing infrastructure. It takes a few minutes to configure it."
  • "It already integrates with lots of products, but it can integrate with more products. There should be easy integration with Cisco products because sometimes, it can be quite complicated."

What is our primary use case?

It's an MFA solution, and we mainly use Duo Security for secure access to some of the servers with backup data.

How has it helped my organization?

With Duo Security, we can better secure our servers with backup data. It's very good for our customers for cyber resilience.

It can reduce time in case of a ransomware attack and so on. It protects the data but not directly.

What is most valuable?

For me and my customers, the best feature is that it's very easy to integrate with the existing infrastructure. It takes a few minutes to configure it.

What needs improvement?

It's already good, but there could be more integration. There could be ready-made integration. Other than that, it's a good product. It already integrates with lots of products, but it can integrate with more products. There should be easy integration with Cisco products because sometimes, it can be quite complicated.

Buyer's Guide
Cisco Duo
March 2026
Learn what your peers think about Cisco Duo. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
885,264 professionals have used our research since 2012.

For how long have I used the solution?

I've been using this solution for around two years.

What do I think about the stability of the solution?

I don't see any problems. It's very good.

What do I think about the scalability of the solution?

It seems good.

Which solution did I use previously and why did I switch?

We already have a different vendor's solution, but the way that Cisco works on global security helps us to sell more. That's because customers want one dashboard or one cockpit, and now, all the Cisco projects go through SecureX. For customers, it's an advantage because they only have to know one interface, not ten interfaces. They don't have to know the interface of each product they've got.

I like Cisco Talos because it's a good source of security information, but it doesn't impact the customers as such.

How was the initial setup?

We mainly work with the public sector, so its deployment is mainly on-premises, but we also have a few customers who have a hybrid setup. We don't have customers with a full public cloud, so it's mainly hybrid, and they mainly use AWS and Azure cloud. There is also one local provider called OVH, and because it's in the country, it's easier. 

I don't take care of its deployment. I have a presales role, so I do demonstrations. I deploy it in our lab but not at the customer. It's my colleague who does that.

The deployment process in the lab is very easy. Duo Security is a cloud solution, so there is almost nothing to install on-prem, and there is also lots of documentation. It's very well-documented how to integrate it with an already existing solution. In one day, you can integrate it quite easily. The web interface is very easy to understand.

What about the implementation team?

One person is enough for its deployment. In terms of maintenance, it doesn't require any maintenance. It's a cloud solution.

What was our ROI?

The ROI is complicated to calculate. It improves security, and improved security is the return on investment.

What's my experience with pricing, setup cost, and licensing?

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.

What other advice do I have?

You've got a trial version, so just try it, and you will adopt it.

I'd rate Duo Security a nine out of ten.

Disclosure: My company has a business relationship with this vendor other than being a customer. Reseller
PeerSpot user
Peter Hofer - PeerSpot reviewer
IT Manager at a manufacturing company with 51-200 employees
Real User
Mar 1, 2023
It helped us prevent unauthorized access after a phishing attack
Pros and Cons
  • "Cisco is the perfect product for our current size, and I don't think we'll have problems with scalability as we grow."
  • "Most of my colleagues from other companies use the Microsoft MFA solution because it's included in Office 365. Few people are considering Cisco Duo. That's the primary problem in our area. It's a solution mostly adopted by Cisco users."

What is our primary use case?

Duo is part of a complete security package that Cisco provides. Initially, we only used Duo to secure Microsoft 365, but we now use it for other applications like VPN, terminal server access, etc.

How has it helped my organization?

A couple of months ago, our colleagues got phishing emails from real accounts because other companies got hacked. The scammers write emails from a hacked account because they see an employee on the contact list. They seem real because the images are authentic. That leads to a portal where you have to insert your credentials. 

Like any MFA, Cisco Duo sends a message when someone tries to access your account. That's the part that helped us because a person always falls for it. Unauthorized access is a serious problem, even if it doesn't affect your files. It's a potential risk to our reputation because it doesn't look good if a hacker is using your company email address to send spam.

I'm not sure if Duo saved us time. Any security measure inevitably makes things more complicated. If you eliminate security solutions, it's easier on your users, but you have no security. It's like wearing a helmet on a motorcycle. You don't need it until you fall. 

Our security posture is getting better, but we still have room for improvement. We're implementing several security packages currently and hope to be where we want to be by the end of this year. 

What needs improvement?

Most of my colleagues from other companies use the Microsoft MFA solution because it's included in Office 365. Few people are considering Cisco Duo. That's the primary problem in our area. It's a solution mostly adopted by Cisco users.

For how long have I used the solution?

We are new users and only started transitioning to Cisco last year.

What do I think about the stability of the solution?

We haven't experienced any issues so far, and I hope it stays that way. Nothing is 100 percent, but it's close to that. 

What do I think about the scalability of the solution?

Our company isn't too big. Cisco is the perfect product for our current size, and I don't think we'll have problems with scalability as we grow.

How are customer service and support?

We rely on our partner for technical support, so we've never contacted Cisco for that. 

Which solution did I use previously and why did I switch?

We used HP networking and security products but transitioned to Cisco last year. In the food manufacturing industry, Cisco has some advantages over others. For example, Cisco switches are made for heavy industry and are designed for devices in the mills. Cisco is certified to integrate with Siemens microprocessors. 

What is critical for me isn't the product itself, it's your partner. If you have a great partner, you can also work with HP or other competitors. Having a partner to implement everything and suggest best practices is essential. Our partner NTS works exclusively with Cisco, so we switched from the competitor to Cisco when we switched partners.

How was the initial setup?

The deployment was straightforward with the help of our partner. I can't do it all alone, but our partner has 450 Cisco-certified technicians. 

What's my experience with pricing, setup cost, and licensing?

Cisco has the most expensive products because market leaders tend to charge a lot.

What other advice do I have?

I rate Cisco Duo Security a nine out of ten. I would give the solution a perfect score if it were a little cheaper. Cisco is expensive.

Which deployment model are you using for this solution?

Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Buyer's Guide
Cisco Duo
March 2026
Learn what your peers think about Cisco Duo. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
885,264 professionals have used our research since 2012.
Network Engineer at Eurobank
Real User
Feb 28, 2023
Is stable and gives the ability to restrict the regions from which a user can log in
Pros and Cons
  • "I like the set time that users can log into devices during the day and how many times they can do so. I also like the ability to restrict the regions from which the user can get in. Users outside of our country or even the town cannot log in."
  • "I would like to see Duo Security increase the time that the users have to log into the devices. The maximum time interval is 50 minutes at the moment, and I would like it to be 60 minutes. When you try to log into a device and have to authenticate yourself, sometimes it's not very pleasant. It's not the best thing particularly if you have to do this every 50 minutes, which is the maximum time that Duo gives. This makes it difficult to use and does not save time."

What is our primary use case?

We are still implementing the solution and are not in full production mode yet. We implemented Duo Security in comparison with ICE, and we use it to secure our environments. It helps us authenticate users that use our network devices.

How has it helped my organization?

We hope to increase our security posture with Duo Security.

What is most valuable?

I like the set time that users can log into devices during the day and how many times they can do so. I also like the ability to restrict the regions from which the user can get in. Users outside of our country or even the town cannot log in.

What needs improvement?

I would like to see Duo Security increase the time that the users have to log into the devices. The maximum time interval is 15 minutes at the moment, and I would like it to be 60 minutes.

When you try to log into a device and have to authenticate yourself, sometimes it's not very pleasant. It's not the best thing particularly if you have to do this every 15 minutes, which is the maximum time that Duo gives. This makes it difficult to use and does not save time.

For how long have I used the solution?

I've been working with Duo Security for six months.

What do I think about the stability of the solution?

So far, we haven't had any issues with stability.

How are customer service and support?

My experience with technical support has been generally good, but sometimes, there is a delay in getting answers. I would rate them at eight on a scale from one to ten.

How would you rate customer service and support?

Positive

How was the initial setup?

Duo Security was easy to set up. It took us almost a week to read the manual and understand what we have to implement to go into production.

What other advice do I have?

Duo Security is very helpful and fits what we were looking for to satisfy the requirements of our security office. On a scale from one to ten, with ten being the best, I would rate Duo Security at eight.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Derek Mikel - PeerSpot reviewer
Network engineer 2 at a tech vendor with 10,001+ employees
Real User
Jul 7, 2022
Cloud based security solution that offers end to end MFA functionality and is reliable and stable
Pros and Cons
  • "Duo has allowed us to add an additional layer of security to our organization and to establish trust for every access request and secures our environment."
  • "Duo Security has helped remediate threats more quickly and offers security end to end."
  • "We have a 24 hour timer for our Duo cookie and we would like to reduce this to a shorter time when using Duo."
  • "We have a 24 hour timer for our Duo cookie and we would like to reduce this to a shorter time when using Duo."

What is our primary use case?

Duo specifically offers good MFA functionality. We needed support for our VPN and used GlobalProtect as well as Duo for additional security.

How has it helped my organization?

Duo has allowed us to add an additional layer of security to our organization. It prevents people from gaining access unless they have your credentials as well as a device. It has allowed us to establish trust for every access request and secures our environment. We are confident and comfortable with the way the solution handles this. We have tried other solutions but they've not met our expectations.  

Duo Security does a good job of helping to support our organization across a distributed network. It does a fantastic job at securing access to applications and networks. It is streamlined and straightforward.

Duo Security provides single-pane-of-glass management.

What is most valuable?

This solution has been most valuable for locking up our VPN solution and providing secure web protection. 

What needs improvement?

We have a 24 hour timer for our Duo cookie and we would like to reduce this to a shorter time when using Duo. We use Duo together with GlobalProtect and I am not sure which solution would be responsible for this improvement. 

For how long have I used the solution?

I have been using Duo Security for the entire time I've been employed at my company.

What do I think about the stability of the solution?

This is a stable solution. 

What do I think about the scalability of the solution?

This is a scalable solution. We have 20,000 users covered by this solution. 

How are customer service and support?

We have not needed much help from the Duo support team. Using this solution has been surprisingly easy for us. 

Which solution did I use previously and why did I switch?

We were running a different solution on a test gateway we had and it didn't meet our expectations so we moved to Duo. We have previously tested XAML. 

What's my experience with pricing, setup cost, and licensing?

You pay per user when using this solution and the pricing is fair.

What other advice do I have?

We have never had an issue in maintaining network connectivity across all workplaces. Duo Security has helped remediate threats more quickly and offers security end to end. Cybersecurity resilience is probably one of the most significant elements of organization because we work in the healthcare industry.

I would rate this solution a ten out of ten. This is because we have not had any vulnerability that has been exposed to or any other issues that we've had to deal with.

Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
reviewer1895520 - PeerSpot reviewer
MSP Director at a tech services company with 11-50 employees
Real User
Jul 4, 2022
Easy to use and gives our customers multi-factor identification on-prem and in the cloud
Pros and Cons
  • "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."
  • "Everybody loves it. They feel a sense of security when they get that prompt to send them a text, or an email."
  • "One area that might be improved is that setting up SMS texting is not as easy as using the app, even though it does support it."
  • "One area that might be improved is that setting up SMS texting is not as easy as using the app, even though it does support it."

What is our primary use case?

We mostly use it for multi-factor authentication with email platforms like Office 365 as well as other apps.

How has it helped my organization?

We were looking to deal with email phishing attacks and brute force attacks, and the like, and Duo has helped a lot. We're more secure with multi-factor and have seen the number of phishing attacks and brute force attacks go down.

Logging in with Duo is baked into anything that we log into, including any applications, email, and web apps. We integrate it with a product called Jump Cloud, which is our cloud-based identity management system. We have also integrated it into WebEx and Box. Duo runs all of our security and MFA, and it's worked out well.

It's helped a lot of our customers with multi-factor in their identity management systems, on-prem and in the cloud. That way, when users log in, they get the MFAs to be able to log in to any resource on the network.

And because everybody is working remotely now, Duo checks all the boxes for hybrid work.

When it comes to remediating threats, it has helped us do so quickly. We don't even see a lot of the threats anymore because it's working behind the scenes. It has definitely decreased the number of threats in the last year compared to what we used to see.

What is most valuable?

The ease of use and the ease of management of all the users have been key for us. The setting up of devices in Duo has been really easy as well. It's better than all the other ones I've worked with.

Another important feature is that Duo considers all resources to be external because even the internal ones look like external ones, and people click on stuff and get caught. It's very important to be more cautious than ever.

Also, 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.

What needs improvement?

One area that might be improved is that setting up SMS texting is not as easy as using the app, even though it does support it.

Also, a faster management user interface would help. It tends to lag a little bit.

For how long have I used the solution?

I've been using Duo Security for three or four years.

What do I think about the stability of the solution?

It has been stable. We haven't really had many issues with it. It maintains network connectivity across all workplaces and works great. I don't have any complaints.

What do I think about the scalability of the solution?

It can scale to as many employees as you have. It can go from five employees to 1,000 employees. I don't see any issues with the scalability.

How are customer service and support?

Their technical support is great.

How would you rate customer service and support?

Positive

Which solution did I use previously and why did I switch?

We did not have a previous solution.

How was the initial setup?

The initial deployment was pretty straightforward. We had a small number of challenges, but nothing we couldn't get by. It was pretty smooth, overall. Setting it up and enrolling new devices into the environment was a breeze. That was the easiest thing.

What about the implementation team?

We do it ourselves.

What was our ROI?

We see ROI in that users feel more secure and their morale goes up. You get to keep those employees a lot longer if they feel better working for an organization that's investing in security. A big benefit is keeping your employees.

Everybody loves it. They feel a sense of security when they get that prompt to send them a text, or an email. It makes them feel like they're working for a company that is really taking the time to secure the environment. It gives them a good feeling when they get a second form of authorization.

What's my experience with pricing, setup cost, and licensing?

The pricing is pretty competitive. It's pretty cheap. Anybody can adopt it. We don't have customers that haven't used it because of the price.

Which other solutions did I evaluate?

We evaluated Microsoft Authenticator and Google Authenticator. With those solutions, you don't have the granularity of management of the MFA environment that Duo offers.

What other advice do I have?

Our Duo is all cloud-based, there's nothing on-prem. We typically integrate it with our cloud apps.

Resilience in cyber security is a game-changer. We have the same challenges that every organization goes through with security: phishing attacks, ransomware attacks, et cetera. I wouldn't say it has eliminated 100 percent of them, but it definitely cuts a lot of that stuff out. Every organization should have something like Duo, or MFA in general. But if they're going to do it, they should do it with Duo just because it's so easy to manage and it is resilient.

For management that wants to build more resilience within their organization, they have to implement multi-factor authentication across that organization for everything. It shouldn't just be for email but everything internally as well. 

Disclosure: My company has a business relationship with this vendor other than being a customer. Partner.
PeerSpot user
Mark Sparling - PeerSpot reviewer
Solution Engineer at FirstLight
Reseller
Jul 3, 2022
Easy for our customers to use and works well with other Cisco products
Pros and Cons
  • "We get fewer threats to remediate due to the two-factor authentication, which does not allow as many threats through."
  • "Overall, it meets all my needs, including price point, and I've been very happy with it."
  • "Sometimes, it's a little harder for customers to adopt."
  • "Sometimes, it's a little harder for customers to adopt."

What is our primary use case?

A lot of our use cases were for customers to get their cyber insurance renewed. It was a requirement and they had to scramble to figure out a way to get multi-factor authentication in place.

How has it helped my organization?

It's made things easier for our customers with all the different ways to sign in. It's pretty painless once they get used to it. Once customers understand it, it checks all the boxes for them. It's easy for them to use. It also works with a lot of Cisco's other products.

What is most valuable?

  • The easiest feature is the token or the app on your phone that gives you the code to log in.
  • It provides a single pane of glass for management and that helps optimize the user experience.
  • We get fewer threats to remediate due to the two-factor authentication, which does not allow as many threats through.
  • It does a good job of establishing trust for every access request. It checks all the boxes I need and, as a reseller, it makes it easy for me to sell. I'm happy with it.

What needs improvement?

Sometimes, it's a little harder for customers to adopt.

Also, when it comes to the single pane of glass for management, there are some mixed reviews and opinions that say there could be some other options. But those are very unique cases.

The majority of my customers are really good with just the two-factor authentication and don't really take advantage of a lot of the extra bells and whistles that it has. Getting them to adopt more of those features, versus asking for anything new, would probably be where my first step would be.

For how long have I used the solution?

I have been using Duo Security for about a year and a half.

What do I think about the stability of the solution?

The stability is good. I've never had an issue with it crashing or having bugs.

What do I think about the scalability of the solution?

I've never had anything outgrow it. That's for sure. You just add licenses.

How are customer service and support?

Tech support has been great. I've only had to open two cases and they've been very helpful and made it straightforward.

How would you rate customer service and support?

Positive

How was the initial setup?

I've been involved in the deployment of Duo Security a few times and the documentation makes it straightforward.

What's my experience with pricing, setup cost, and licensing?

Overall, the pricing is fair. Customers can wrap it into their Enterprise Agreement, making it easier for them to solve their issues.

Which other solutions did I evaluate?

We're a Cisco partner, so once the two-factor requirement kicked in and became mandatory for our customers' cyber insurance, we just gravitated right to the Cisco solution.

The proofs of value that we've done are really what sells it. You put it in, get them using it, and then you just buy the license and you don't have to go back.

What other advice do I have?

Employees start off saying, "This is another thing we have to do," but once they get it set up the way they like it, it's very easy. And if anybody gets locked out, we get an email and it's easy to unlock. If the unions were able to adopt it, anybody can.

Overall, it meets all my needs, including price point, and I've been very happy with it.

Disclosure: My company has a business relationship with this vendor other than being a customer. Reseller.
PeerSpot user
reviewer1895478 - PeerSpot reviewer
Systems Engineer Virtualization at a engineering company with 501-1,000 employees
Real User
Jun 27, 2022
Easy to use and integrates well with the rest of our cloud-based Cisco ecosystem
Pros and Cons
  • "The single pane of glass management is very important and it is part of the reason we went with Duo. Anything we can do to save time for our administrators, help desk staff, and engineers, is valuable to us."
  • "The single pane of glass management is very important and it is part of the reason we went with Duo, and anything we can do to save time for our administrators, help desk staff, and engineers, is valuable to us."
  • "I wouldn't mind seeing some options for remembering a device for a short period of time or a specific login, particularly for administrative engineering staff, as we may be logging in to four or five different services."
  • "I wouldn't mind seeing some options for remembering a device for a short period of time or a specific login, particularly for administrative engineering staff, as we may be logging in to four or five different services."

What is our primary use case?

We use it for two-factor authentication for end-user and administrator login. We wanted to secure our endpoints.

What is most valuable?

The single pane of glass management is very important and it is part of the reason we went with Duo. Anything we can do to save time for our administrators, help desk staff, and engineers, is valuable to us.

What needs improvement?

I wouldn't mind seeing some options for remembering a device for a short period of time or a specific login, particularly for administrative engineering staff, as we may be logging in to four or five different services. We're having to use it a lot. I understand it, it's just part of it. That's not specific to Duo. That's two-factor authentication in general.

For how long have I used the solution?

I've been using Duo Security for about a year.

What do I think about the stability of the solution?

It's stable. We haven't had any downtime that I can recall or any problems with maintaining network connectivity.

Any issues we've had have been local to a specific user. Maybe the phone number was not set up right or there was some conflict as a result of somebody changing a device, but it's always been pretty straightforward to get that kind of thing resolved.

What do I think about the scalability of the solution?

We started off with a small deployment and, in one or two steps, sent it out to everybody and it scaled fine. We didn't have to change anything in our setup.

We have about 1,200 users across 60 branches around the U.S. We occasionally have people using it internationally and we're able to handle that fine with our geographic location blocking or allowing, as the case may be. It's a fully virtualized environment. We have a lot of remote users, people who work in remote fields. As long as they have a cell signal, it works.

How are customer service and support?

I have not had to deal with any support for Duo. The less I have to talk to support the better, for sure.

Which solution did I use previously and why did I switch?

This is our first venture into two-factor authentication.

We didn't have a specific problem we were trying to solve when we got it. We were just trying to add more and more security. We did have regulatory requirements for two-factor authentication and that is what drove it.

How was the initial setup?

The deployment of Duo Security was mainly a project done by our network and security team, but I was involved in it to some extent. I found it pretty straightforward. As enterprise-wide security solutions go, it wasn't too bad.

We got it integrated with Active Directory. There were some struggles there that I don't know the specifics of because our network team was working on that. But once everything was set up, it was pretty easy to add a new user and do whatever we wanted to.

It took a little time for our users to get used to it, but everybody took to it pretty well. The users don't really have to interact with it other than getting their push notifications. For them, it's easy. It requires minimal training. It pops up and it's all pretty self-explanatory.

Which other solutions did I evaluate?

It's pretty easy to use as two-factor authentication systems go. We evaluated a few others, including the Microsoft two-factor authentication, a little bit, and one other, and Duo ended up being our favorite. Part of that was because we're in that Cisco ecosystem and we were able to integrate it with our other services that are all cloud-based. It fit in pretty well for us, and it would for anybody with a similar setup.

Duo was also the least obtrusive to the user and the ease of administration through the administrative portal was a little better.

What other advice do I have?

Fortunately, we haven't had to evaluate it when it comes to helping us remediate threats more quickly, but we're confident that it will.

Regarding resilience in cyber security, two-factor is definitely a must-have. We're satisfied with it as far as that goes, in addition to it fulfilling our regulatory requirements.

For our use case, for logins, it just works.

Which deployment model are you using for this solution?

Private Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
reviewer1885575 - PeerSpot reviewer
Senior Aerospace Engineer at a manufacturing company with 10,001+ employees
Real User
Jun 23, 2022
Enables us to pick out unsuccessful login attempts quickly and shut down those accounts proactively
Pros and Cons
  • "The ability for users to authenticate via phone, from any random phone number, has been very helpful for managing a distributed workforce. Using it across a distributed network for securing access to our applications is big for us."
  • "Duo is a very consistent product and flexible in how it can be deployed and has good support."
  • "We have users who move throughout the world, and their levels of connectivity change. It can be a challenge, if someone is in Bahrain, to authenticate via Duo."
  • "End-users find it more annoying than anything else."

What is our primary use case?

We wanted multi-factor authentication across a variety of platforms.

How has it helped my organization?

It's improved security by enforcing strong, reliable multi-factor authentication, and it has reduced intrusions across our organization. It makes sure all the user sessions are at least a little more trustful than if we just had single-factor.

In terms of remediating threats, we are able to pick out unsuccessful login attempts pretty quickly on the Duo platform and we can shut down those accounts. It makes us more proactive. That works well.

What is most valuable?

The ability for users to authenticate via phone, from any random phone number, has been very helpful for managing a distributed workforce. Using it across a distributed network for securing access to our applications is big for us. It works very well, and we have no major complaints about the integration of any of our third-party applications.

We have a high level of confidence in the platform, especially for identifying potential logins from unexpected geolocations. The data associated with logs is very helpful for helping to make that determination.

It's very important for us that Duo Security considers all resources to be external, especially as we lead up to Zero Trust. It needs to be like that.

What needs improvement?

End-users find it more annoying than anything else. It's tough to manage user perception of the service, especially when there isn't feature parity between Mac and Windows users. There are some challenges in making that user experience the same between platforms and helping users feel the least amount of burden possible while helping to ensure the organization's security.

Network connectivity depends on where users are located. Internally, on-premises, it's not hard keeping connectivity, but we have users who move throughout the world, and their levels of connectivity change. It can be a challenge, if someone is in Bahrain, to authenticate via Duo.

For how long have I used the solution?

I have been using Duo Security for two years. 

What do I think about the stability of the solution?

We've had no issues with the stability of Duo. I consider it to be a stable product.

What do I think about the scalability of the solution?

It has scaled to meet our needs. I don't know how it scales if you have 10,000 or 20,000 users, but for our organization, with fewer than 5,000 users, it's been fine.

How are customer service and support?

The technical support has been adequate. They are responsive regarding support for troubleshooting tickets. We haven't had any issues that required escalation, so we've been happy with it.

How would you rate customer service and support?

Positive

Which solution did I use previously and why did I switch?

We did have a previous solution. The interoperability has been improved with Duo compared to that solution.

How was the initial setup?

Our physical deployment of the solution is in the continental United States, but our users are worldwide.

What other advice do I have?

I don't place too much value on any single product, since placing too much trust in one thing creates a single point of failure. This is just a single piece in a broader spectrum of security products to accomplish our actual goals.

Building resilience is nice, but there's a point of diminishing returns when it comes to doing that. Part of my job is to help our leaders understand where that diminishing return is.

The single pane of glass management is desirable, but it's like a unicorn. No single pane of glass is ever really a single pane of glass. That's something that would be nice, but it's not something I expect.

Duo is a very consistent product and flexible in how it can be deployed and has good support. It's a product we're very happy with.

Which deployment model are you using for this solution?

Private Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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Buyer's Guide
Download our free Cisco Duo Report and get advice and tips from experienced pros sharing their opinions.
Updated: March 2026
Buyer's Guide
Download our free Cisco Duo Report and get advice and tips from experienced pros sharing their opinions.