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Duo Security (Cisco)

Freemium

Secure two-factor authentication and unified access for any application.

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4.7 Editor Rating
Vetted Score
4.7 / 5.0

Earns a high score due to its robust security features, broad platform support, and strong reputation among enterprises.

Key Features
Multi-Factor Authentication

Provides push notifications, passcodes, biometrics, and hardware token options to verify user identities.

Zero Trust Access

Enforces adaptive policies based on device health, location, and user behavior before granting access.

Integrated SSO

Combines MFA with single sign-on for cloud and on-premises applications, streamlining login workflows.

Frequently Asked Questions

Yes, Duo offers a free tier for up to 10 users with basic MFA features.

Duo works on web browsers, iOS, Android, Windows, macOS, and Linux devices.

Absolutely; Duo integrates SSO capabilities with its MFA engine for seamless access to cloud and on‑premises apps.
Specifications
Pricing Model Offers a free tier for up to 10 users, with paid plans ranging from $3 to $9 per user per month for advanced MFA and device insights.
Supported Platforms
WebiOSAndroidWindowsmacOSLinux