TrustRadius Buyers Choice Award 2025
Duo earned the TrustRadius Buyer’s Choice Award in 2025, with 75% of reviewers highlighting its exceptional capabilities, value, and customer relationships.
Identity Simplified. Security Amplified.
Increase both productivity and security. Duo Directory provides a user directory with lifecycle management, a robust single sign-on solution, and advanced security like phishing-resistant MFA, Passwordless, and Device Trust — all enabled by default. That’s security-first IAM.
Full-Stack IAM That Runs Standalone or Integrates Seamlessly
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Run Standalone
Duo has all the components of a full-stack IAM solution and makes it easy to get started with IAM or switch from existing stacks, thanks to helpful migration tools like Routing Rules and AI Assistant.
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Works with What You Have
No rip-out necessary. Duo Directory integrates with existing IAM solutions to act as the orchestration and identity security layer, enabling phishing-resistant MFA and complete Passwordless for all.
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Secure and Manage Third-Party Access
Segregate and broker authentication for external identities — contractors, vendors, partners — while delivering the same level of protection as for internal employees. The ideal alternative directory for managing and securing third-party access.
Six Reasons to Choose Duo Directory
A security-first identity platform designed for modern organizations that need flexibility, automation, and protection against identity-based attacks.
The Source of Truth for Identity
A flexible, secure source of truth for primary authentication. Use it on its own or enable authentication orchestration for SSO, Passwordless, and phishing-resistant MFA across other identity sources.
AI-Powered Guidance on the Fly
Duo uses AI to combine the power of Duo data and documentation in a conversational interface that helps administrators set up features, troubleshoot user access, and manage Duo day-to-day.
Multiple Authentication Sources
Easily coordinate your identity sources with Duo’s intuitive routing rules, serving as the central hub of your identity ecosystem for seamless authentication across providers.
Custom Identity Attributes
Define what constitutes a user identity in your organization using custom attributes. Seamlessly enable workflows, automation, and orchestration across multiple identity sources.
Streamlined User Provisioning
Automate provisioning, changes, and deprovisioning of users and groups into supported applications for speed, scale, and consistency across your organization.
Transition Without Disruption
Orchestrate secure authentication across multiple identity providers while automatically onboarding and offboarding users to migrate to Duo with a consistent, streamlined experience for users and IT.
IAM Evaluation Guide
Identity Built for Security: Your IAM Evaluation Framework
80% of breaches involve identity. Strengthen your defenses with a security-first evaluation framework. Learn how to achieve zero trust while reducing help desk costs and total cost of ownership.
Download the Guide
Named Best 2FA App by Wirecutter
Duo Mobile has been named the best two-factor authentication app by the New York Times Wirecutter. Stay secure and in control with optional backups and streamlined onboarding.
Secure Your Organization with Duo Directory
Experience for yourself why Duo is one of the most trusted identity and access management platforms. Our Cisco-certified team can help you evaluate, license, and deploy Duo Directory.
- Full-stack IAM with phishing-resistant MFA by default
- Standalone deployment or integration with existing IAM
- Secure third-party access for contractors and vendors
- Response from a certified Cisco specialist within one business day