What is Duo Security?

"Duo Security is a cloud-based solution for user identity verification and device vulnerability assessment."

Duo Security complete security solution verifies the identity of users and health of their devices prior to connecting to any of their applications. The platform provides multiple modes of two-factor authentication, configurable permissions and controls, endpoint visibility and remediation, as well as Single Sign-On options.

This web-based solution addresses security issues by user's identity verification based on multiple measures such as SMS passcodes, phone callbacks, or hardware tokens. It provides the necessary protection of users, data, and applications from hacker attacks and data loss. There is also email access protection ensured by sending push notifications to users' device when logging in from a different one.

Users of this app are able to build an inventory of their devices and recognize all vulnerabilities brought by an outdated OS, browsers, or plugins, along with data about login attempts. Safety checks of user's devices are performed each time he accesses a cloud application and his identity is confirmed as soon as the application is accessed.


Duo Security scored 85/100 in the Cyber & Data Security category. This is based on press buzz (55/100), and other relevant information on Duo Security gathered from around the web.

The score for this service has declined over the past month. What is this?

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Duo Security Product Overview

  • Two-Factor Authentication

  • One-Tap Mobile Authentication

  • SMS Passcodes

  • Phone Callback

  • Temporary Bypass Codes

  • Hardware Tokens

  • Device Visibility

  • User Device Inventory

  • Outdated OS, Browser & Plugin Identification

  • Self-Remediation Notifications


Languages: French, German, English

Duo Security Features

  • 2-Factor Authentication
  • Anti-Virus
  • API
  • Batch Permissions & Access
  • Dashboard
  • Data Export
  • Data Import
  • External Integrations
  • File Sharing
  • File Transfer
  • Firewall
  • Multi-User
  • Notifications
  • Password & Access Management
Compare Pricing

Duo Security Pricing Plans

Duo Free

Free
  • Protect logins with two-factor authentication
  • Protect on-premises apps

Duo MFA

$3.00
1 user(s) / month
  • Easily enroll and manage users
  • Automate the management of your Duo solution (i.e. admin APIs)
  • Get an overview of device security hygiene
  • Protect federated cloud apps
  • Native support for protecting all cloud apps
  • Provide a secure single sign-on (SSO) experience for all users
  • Telephony credits — all accounts receive 100 credits

Duo Access

$6.00
1 user(s) / month
  • Enforce role-based access policies
  • Identify users vulnerable to phishing attacks
  • Monitor and identify risky devices
  • Control what endpoints can access apps based on device hygiene
  • Automatically encourage users to update their own devices

Duo Beyond

$9.00
1 user(s) / month
  • Identify corporate vs. personal devices
  • Control what devices can access apps based on device trust
  • Seamlessly launch all of your on-premises and cloud apps
  • Control which internal apps are accessible by remote users

Plans starting from: $3.00/month Credit card required: No

Duo Security FAQs

Who are the main user groups of Duo Security?

Users of Duo Security are businesses of all sizes (SMB, MM, Enterprise) on a global scale. With customers in healthcare, legal, finance, tech, government, and education, Duo provides security to all market segments.

Does Duo Security offer an API?

Yes, it offers API.

What is Duo Security generally used for?

This service is generally used for two-factor authentication.

What platforms does Duo Security support?

This is a web-based platform with Android and iOS native apps offered.

Does Duo Security integrate with any other apps?

Integrations: PingFederate. Caradigm’s EPCS Solution for Healthcare, Aruba Networks Clearpass, Protecting Keeper Security Solutions, OneLogin.

Does Duo Security offer multi-user capability (e.g. teams)?

Yes.

Does Duo Security offer guides, tutorials and or customer support?

Support: Email Support, Chat, Telephone Support, Knowledge Base, Videos.

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