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Duo Security

Cybersecurity

4.3(45 ratings)

86% recommend

Duo Security provides robust multi-factor authentication and cybersecurity solutions.

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About Duo Security

Best for organizations needing user-friendly multi-factor authentication at scale.

Duo Security, now part of Cisco, provides multi-factor authentication (MFA) and zero-trust security solutions that verify user identities before granting access to applications and networks. It's used by organizations ranging from small businesses to large enterprises to protect against unauthorized access and credential-based attacks. The platform stands out for its user-friendly push notification authentication, broad device visibility, and straightforward deployment. Duo focuses on making security accessible without requiring deep technical expertise, which has made it one of the most widely adopted MFA solutions on the market.

Pros

Extremely easy to deploy and manage
Simple push notification authentication for end users
Excellent device health and visibility features
Scales well from small teams to enterprises
Strong integration ecosystem across many platforms

Cons

Costs can add up quickly per user
Mobile app dependency can frustrate some users
Advanced features locked behind higher-tier plans
Occasional push notification delays reported by users

Use Cases

Best for adding multi-factor authentication to VPN and remote access

Best for organizations implementing zero-trust security across cloud applications

Best for IT teams needing device trust and endpoint visibility

Best for securing Single Sign-On access across multiple business applications

Key Features

5 features

Multi-factor authentication with adaptive policies

Device trust verification for secure access

Single sign-on (SSO) integration capabilities

User-friendly mobile authentication options

Comprehensive reporting and analytics dashboard

SaasHunter Score

8.2/10

“Choose Duo Security when your organization prioritizes multi-factor authentication for enhanced security at a low cost.”

Ease of Use

8.0

Features

9.0

Pricing

7.0

Support

8.0

Integrations

9.0

Best For

Enterprise 9Small Business 8Agencies 7Startups 7Freelancers 6

Integrations

Microsoft 365Google WorkspaceCisco AnyConnectAWSSalesforceMicrosoft Azure ADOktaPalo Alto Networks

Multi Factor Authentication Secure Access Identity Access Management

Frequently Asked Questions

What is Duo Security?

Duo Security is a multi-factor authentication and zero-trust access platform owned by Cisco. It verifies user identities and device health before granting access to applications and networks.

How much does Duo Security cost?

Duo offers a free tier for up to 10 users, with paid plans starting at around $3 per user per month for Duo Essentials. Higher tiers like Duo Advantage and Duo Premier offer additional features at increased pricing.

What are the main features of Duo Security?

Key features include multi-factor authentication via push notifications, device trust and health checks, adaptive access policies, Single Sign-On (SSO), and remote access security. It also provides detailed reporting and endpoint visibility.

Who should use Duo Security?

Duo is suitable for businesses of all sizes that need to secure user access to applications, VPNs, and cloud services. It's particularly popular among IT teams looking for an MFA solution that's easy to roll out and manage.

Is there a free plan for Duo Security?

Yes, Duo offers a free plan called Duo Free that supports up to 10 users with basic multi-factor authentication features. It's a good starting point for small teams or testing purposes.