
Duo Security's MFA solution is designed to provide an additional layer of security to protect your business from cyber threats.
The solution is highly scalable, making it suitable for businesses of all sizes.
Duo Security's MFA solution offers a range of authentication methods, including two-factor authentication, push notifications, and U2F security keys.
With Duo Security's MFA, you can protect all of your applications, including SaaS apps, on-premises apps, and VPNs.
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What is MFA
MFA stands for Multi-Factor Authentication, and it's a game-changer for online security. It adds an extra layer of protection to your accounts by requiring more than just a password to access them.
Two-factor authentication is a type of MFA that uses a second device, like a smartphone, to verify your identity. This makes it much harder for hackers to gain access to your account, even if they have your password.
Passwordless authentication is another form of MFA that doesn't rely on passwords at all. Instead, it uses biometrics, security keys, or specialized mobile apps to verify your identity.
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Benefits and Features
Duo Security MFA offers a range of benefits and features that can streamline security and boost productivity.
Duo delivers strong security without the hassle, integrating easily and offering phishing-resistant MFA.
It includes user-friendly identity verification, making it a smoother experience for users and less work for IT support.
With features like proximity verification and Duo Mobile, admins can set up in days and users can get started in minutes.
Duo's MFA lets you mix-and-match secure methods like biometrics, passcodes, tokens, and Duo Push, so you can protect users your way.
The mobile app allows users to verify their identity in just a tap, supporting adoption and saving time for everyone.
Duo's authentication methods provide a flexible and secure way to protect identities.
You can discover more about Duo's authentication methods and how they can benefit your organization.
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How It Works
Duo Security MFA uses two-factor authentication and a zero-trust approach to security. This means that before granting access, Duo verifies user trust by using a second form of validation, such as a smartphone, to confirm the user's identity.
Duo establishes device trust by enabling your organization to see every device connected to your network and applications, and easily monitor device health and compliance. This helps ensure that only trusted devices have access to sensitive information.
Here are the key steps Duo takes to secure access:
- Verify user trust
- Establish device trust
- Enforce adaptive policies
- Grant secure access to users and apps
Duo's adaptive policies allow you to set access levels based on role, device, location, and other relevant factors. This ensures that users only have access to the resources they need, and that sensitive information is protected.
How It Works
Duo uses two-factor authentication to verify user trust, requiring a second form of validation, such as a smartphone, to confirm a user's identity.
This approach is a significant improvement over traditional security methods, which can be easily bypassed by hackers. Duo's two-factor authentication adds an extra layer of protection, making it much harder for unauthorized users to gain access.
To establish device trust, Duo enables your organization to monitor every device connected to your network and applications, allowing you to easily track device health and compliance.
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This feature is particularly useful for companies with a large number of remote workers, as it helps to ensure that all devices meet your organization's security standards. By monitoring device health and compliance, you can quickly identify and address any potential security risks.
Duo enforces adaptive policies, which means you can set access levels based on role, device, location, and other relevant factors.
For example, you might set up a policy that requires employees in sensitive departments to use two-factor authentication, while employees in other departments can use a single form of authentication. This level of control helps to ensure that your organization's security policies are consistently enforced.
Here's a breakdown of the key features of Duo's adaptive policies:
- Role-based access: Set access levels based on an employee's role within the organization.
- Device-based access: Restrict access to certain devices or types of devices.
- Location-based access: Control access based on an employee's location.
- Other access controls: Set access levels based on other relevant factors, such as time of day or employee status.
By using Duo's adaptive policies, you can create a highly secure and flexible access control system that meets the needs of your organization.
Take a Drive
Duo works seamlessly with the tools your team already uses, from major platforms to custom apps.

Quick setup and easy management mean you can get started fast without needing extra IT support.
Duo supports your growth, not just your current infrastructure, so you can add new users or apps anytime and stay protected without slowing down your systems.
Duo integrates with any app or platform, whether you’re adding 2FA for compliance or building a zero trust strategy.
Duo takes the hassle out of setup, working with your existing systems, including applications and devices, and users can enroll themselves in just a few clicks.
Say goodbye to repeat prompts with Duo Passwordless, which keeps sessions secure with a single verification based on a timeframe you choose.
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Deployment and Configuration
To enable Duo, you can either configure it through the Dashboard or use Actions. Configuring Duo through the Dashboard involves going to Security > Multi-factor Auth > Duo Security, enabling it, and linking your Duo account to Auth0.
To link your Duo account, enter the required information in the fields and select Save. This process is straightforward and allows you to integrate Duo with Auth0.
If you prefer to enable Duo within an Action, you can pass duo as the provider parameter when you enable multi-factor authentication. This option provides flexibility in implementing Duo across different scenarios.
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Configure

Configuring your setup is a crucial step in ensuring a secure and seamless experience.
To enable Duo, start by navigating to the Dashboard and selecting Security. From there, choose Multi-factor Auth and click on Duo Security to enable it.
You'll then need to enter the required information in the fields to link your Duo account to Auth0. This is a straightforward process that requires minimal effort.
Once you've entered the necessary details, select Save to complete the configuration.
Enable with Actions
To enable Duo with Actions, you'll need to pass the provider parameter 'duo' when enabling multi-factor authentication. This will trigger the Duo Security process.
You'll also need to create a rule to prevent users from remembering their login credentials. To do this, set 'allowRememberBrowser' to 'false'. This will force users to log in with Duo every time.
If you want to trigger multi-factor authentication with Duo Security based on a specific condition, you can use an Actions template. This template provides an example and starting point for your implementation.
To use the Actions template, you'll need to create two integrations in Duo Security: one of type Web SDK and one of type Admin SDK.
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Easy to Deploy, Cost-Effective Solution

A cost-effective solution can be a game-changer for businesses. Bluebeam Software chose Duo because it's easy to deploy, cost-effective, and provides a holistic view of its network, users, and devices.
Easy deployment is a key benefit of Duo. It's a feature that many companies, like Bluebeam Software, appreciate.
A cost-effective solution can save a business a significant amount of money. According to Bluebeam Software, Duo fits the bill.
In some cases, a cost-effective solution can also be a more efficient solution. Duo's ease of deployment is a testament to this.
Limitations and Challenges
You can't use Auth0 MFA Enrollment Tickets to enroll users with Duo, so onboard those users from Duo itself.
If you use Universal Login, you must enable Duo in an Action with provider set to duo. This allows you to conditionally use Duo or the built-in Auth0 provider for specific applications.
Here are some key limitations to keep in mind:
- You cannot use Auth0 MFA Enrollment Tickets to enroll users with Duo.
- You must enable Duo in an Action with provider set to duo if you use Universal Login.
Real-World Applications

Duo Security MFA is widely used in various industries to enhance security and compliance. It's a game-changer for companies like Google, Facebook, and Microsoft.
Duo's cloud-based platform can be easily integrated with existing systems, making it a seamless addition to any organization's security infrastructure. This is especially true for companies with remote workers, as Duo's mobile app allows users to access their accounts securely from anywhere.
Duo's MFA solution has been shown to reduce risk by 99.5% and is compliant with various regulations, such as HIPAA and PCI-DSS.
Customer Stories
George Sink's company was exposed to phishing attacks, but they mitigated this risk by implementing a solution that provided multipoint telemetry. This helped them stay one step ahead of potential threats.
Reducing user fatigue from MFA prompts was also a priority for George's team, and they found a way to make this happen.
Cisco Goes Passwordless with Secure Access
Cisco has experienced zero password-related incidents with Duo Passwordless. This is a significant achievement for any organization.
Employees at Cisco enjoy a 93% reduction in steps to authentication. This streamlined process makes it easier for them to access applications.
Duo Passwordless offers seamless, secure access to applications. This means employees can focus on their work without the hassle of passwords.
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Zero Trust
Zero Trust is a security approach that's gaining traction, and for good reason. Traditional security methods are no longer effective with the rise of remote work.
With more users logging in from personal devices, the old assumption that anyone within a corporate network can be trusted is no longer valid.
Data and applications are no longer confined behind a network perimeter and firewall, making it essential to verify every user and device.
Duo's zero-trust approach is a great example of this, emphasizing the importance of never trusting and always verifying.
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Getting Started
First, you need to configure your Duo account. This involves reading the Getting Started guide on Duo Docs.
To enable Duo Security MFA, you'll need to create a Duo Security Web SDK integration and record the required credentials: Integration Key, Secret Key, and API hostname.
Before you can enable Duo, make sure other factors aren't already enabled. Duo is only available as the sole factor enabled.
Here's a quick rundown of the credentials you'll need to create a Duo Security Web SDK integration:
MFA That Fits You
Duo makes securing against modern identity attacks simple, with features like proximity verification and Duo Mobile that can be set up in days and users can get started in minutes.
You shouldn't have to settle for MFA solutions that just meet the minimum, leaving you with hidden costs and frustrated users. Duo's MFA lets you mix-and-match secure methods like biometrics, passcodes, tokens, and Duo Push, so you can protect users your way.
Duo integrates easily with the tools your team already uses, from major platforms to custom apps, and works seamlessly with your existing systems. This means you can add new users or apps anytime without slowing down your systems.
Duo's adaptive authentication lets you set access policies based on content like user role, location, application, network, and device health. This gives you fine-grained control over who has access to what, and when.
Here are some of the authentication methods you can use with Duo:
- Biometrics
- Passcodes
- Tokens
- Duo Push
Duo's mobile app allows users to verify their identity in just a tap, providing a smooth and low-effort experience that supports adoption and saves time for everyone.
Before You Start

Before you start, make sure you've configured your Duo account by reading Getting Started on Duo Docs. This will give you a solid foundation for setting up Duo.
To create a Duo Security Web SDK integration, you'll need to record the Integration Key, Secret Key, and API hostname credentials. These are essential for setting up Duo.
Don't enable Duo if other factors are enabled, as it will only work when it's the sole factor. This is a crucial step to ensure Duo functions correctly.
Here are the specific steps to configure Duo:
- Configure your Duo account.
- Create a Duo Security Web SDK integration and record the Integration Key, Secret Key, and API hostname credentials.
New Enrollments
Getting started with new enrollments is a breeze. To begin, users who sign in to Okta or access an Okta-protected app are guided to self-enroll in Duo Security.
Here's a step-by-step guide to help you through the process:
- Users are prompted to select the type of device they're adding during self-enrollment.
- For commonly chosen device types, the user experience is as follows:
To enable the option to add a new device, the Duo admin must select the Self-service portal in the Duo Admin Panel. This is a crucial step, as it allows users to add devices if the option "Add a new device" appears in Duo Mobile settings.
To verify your identity, you'll select the Duo Security option during sign-in. This will prompt you for additional verification depending on your app sign-on policy or settings in your Duo Security deployment.
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News and Trends
Duo Security MFA has earned the TrustRadius Buyer's Choice Award in 2025, with 75% of reviewers praising its exceptional capabilities, value, and customer relationships.
The New York Times Wirecutter has named Duo Mobile the best two-factor authentication (2FA) app.
Optional backups and onboarding are available, allowing you to stay secure and in control with Duo Mobile.
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Frequently Asked Questions
Can I use Duo MFA without the app?
Yes, you can use Duo MFA without the app by enrolling a Hard Token, a keychain device that generates a passcode for authentication. This method doesn't require an internet or phone connection.
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