

We performed a comparison between Duo Security and Fortinet FortiAuthenticator based on our users’ reviews in five categories. After reading all of the collected data, you can find our conclusion below.
Users of both solutions would like more integration options.
Comparison Results: Duo Security is the winner in this comparison. It received high marks for its ease of deployment and support. In contrast, some FortiAuthenticator users say that the initial setup is complex and feel that the support needs to improve.
We were able to implement zero trust extremely quickly because of the platform and its ongoing developments, including Cisco Duo Network Gateway, which enabled that transition to zero trust extremely quickly.
Not having MFA means you cannot put a price tag on that because you will be hit with ransomware immediately.
I think Cisco Duo offers a good return on investment for startups, newer organizations, or those utilizing cloud-based applications.
It enhances security by ensuring only the right person can access systems, even if their login credentials are compromised.
They got back to us quickly, were nice, and gave us what we needed.
I would rate their support 10 out of 10.
I would rate support for Cisco Duo a 10, as I have never had a negative experience.
At times, some technical staff lack knowledge, which delays issue resolution.
Customer service and support are excellent.
Technical support from Fortinet deserves a rating of 10.
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.
You would not need many more engineers to manage Cisco Duo even if we scale up to 500 employees because it is so simple to manage.
Cisco Duo is scalable for organizational growth.
The scalability of FortiAuthenticator is good, and I would rate it an eight on a scale of one to ten.
I find Fortinet FortiAuthenticator to be highly scalable, and I would rate it an eight out of ten for scalability.
Fortinet FortiAuthenticator should be sufficiently scalable.
We have not had any Cisco Duo outages across all the companies I have worked for that utilize Cisco Duo.
The stability has been excellent.
I did not notice any downtime or crashes with Cisco Duo.
It remains stable even when the number of concurrent users increases.
If you don't have internet access, you can't access your computer, only local access is available.
It lacks some dynamic identity management features compared to other products such as SailPoint.
Cisco should allow easier integration with third-party equipment because Cisco's own equipment is expensive.
For example, authentication for wireless users expires after 24 hours, requiring re-authentication daily.
For example, Cisco Duo is on the cloud, so we cannot compete with that part if a user requires a cloud-based two-factor authentication solution.
I recommend Fortinet make its images migratable between environments.
The pricing is acceptable to them.
Their website lists $3 per month per user for the Essential license.
One of my customers recently received a billing statement charging 3,600 US dollars for 100 users for one year.
Fortinet FortiAuthenticator is not overly expensive compared to other Fortinet subscriptions.
From a management perspective, I appreciate that we can enroll or control devices on the back end for people who get a new phone and forget to handle Cisco Duo properly and need to add a new device.
Our company benefits from all those features of Cisco Duo with confidence, and we feel very secure with it in terms of authentication of our logins.
The benefit of having a complete passwordless environment in our organization is that it's gotten people away from using the sticky note under their keyboard - which is a huge problem.
The integration with FortiToken is outstanding, adding a layer of security for authentication.
We use multi-factor authentication for enhancing security.
Fortinet FortiAuthenticator can be used from anywhere in the world, and the authenticator services function globally.
| Product | Mindshare (%) |
|---|---|
| Cisco Duo | 3.2% |
| Fortinet FortiAuthenticator | 3.7% |
| Other | 93.1% |


| Company Size | Count |
|---|---|
| Small Business | 41 |
| Midsize Enterprise | 24 |
| Large Enterprise | 58 |
| Company Size | Count |
|---|---|
| Small Business | 38 |
| Midsize Enterprise | 18 |
| Large Enterprise | 11 |
Cisco Duo is a cloud-based identity security platform safeguarding critical resources for any user and device worldwide. Known for its ease of use, Duo offers seamless protection across multi-cloud, hybrid, and on-premises environments.
Cisco Duo is designed to secure access with identity-first protection and provides extensive visibility throughout an organization's identity ecosystem. Offering multi-factor authentication, Duo facilitates easy integration and management, allowing teams to protect data effectively on VPNs, applications, and networks. Its single-pane management improves security processes while enhancing trust, making it suitable for diverse IT infrastructures.
What are the key features of Cisco Duo?
Which benefits and ROI should users consider?
In industries like education and finance, Cisco Duo is widely employed to secure multi-factor authentication across platforms such as email, databases, and servers. Its integration capabilities with Microsoft 365, Active Directory, and VPNs like AnyConnect are instrumental in verifying user identities using mobile apps or OTPs, catering effectively to both remote and on-premise environments.
Fortinet FortiAuthenticator enhances security through intuitive management and integration capabilities, offering two-factor authentication and seamless connectivity with FortiGate, LDAP, and AD. It provides robust OTP features and operates efficiently across diverse environments.
Fortinet FortiAuthenticator is designed to streamline two-factor and multi-factor authentication processes across diverse network environments. Its seamless integration with Active Directory optimizes secure user management and enhances VPN security. It facilitates multi-domain authentication and serves as a comprehensive identity and access management tool. Organizations leverage its capabilities for VPN and network access while utilizing tokens for increased security. Its single sign-on feature aids in simplifying identity management and authorization, supporting extensive network and application security demands. However, improvements could be made to its outdated interface, pricing strategy, and better integration with third-party applications. Streamlined command line configurations and bolstered technical support would enhance user experience further.
What are the key features of Fortinet FortiAuthenticator?In industries like finance, healthcare, and education, Fortinet FortiAuthenticator is implemented to secure sensitive data and streamline access management. Its integration capabilities support compliance requirements, while its authentication features ensure authorized access across platforms, enhancing both security and operational efficiency.
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