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Cisco Duo

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description Cisco Duo Overview

Cisco Duo is a security software platform providing multi-factor authentication (MFA). It enhances identity security by requiring users to verify their identities through various methods including push notifications and biometrics. This technology protects networks and applications from unauthorized access, primarily benefiting IT administrators and organizations seeking to implement robust security controls for remote workers and sensitive data.

help Cisco Duo FAQ

Is Cisco Duo free to use for small organizations?

Cisco Duo offers a free tier that supports up to 10 users, providing basic two-factor authentication including push notifications to the Duo Mobile app and passcode generation. This free plan is suitable for small teams or personal use. Paid tiers add features like device trust policies, administrative reporting, and integration with more enterprise applications.

Did Cisco acquire Duo Security, and when?

Yes, Cisco acquired Duo Security in 2018 for approximately $2.35 billion. Duo Security was founded in 2010 in Ann Arbor, Michigan and grew rapidly as a provider of cloud-based multi-factor authentication. Following the acquisition, Duo was integrated into Cisco's security product portfolio and rebranded as Cisco Duo.

What authentication methods does Cisco Duo support?

Cisco Duo supports multiple authentication factors including Duo Push notifications to the Duo Mobile app, generated passcodes, SMS and phone call verification, hardware tokens, biometric verification, and WebAuthn/FIDO2 security keys. Administrators can configure policies requiring specific authentication methods based on user groups, device health, or network location. This flexibility allows organizations to balance security with user convenience.

Can Cisco Duo integrate with VPNs and cloud applications?

Yes, Cisco Duo integrates with a wide range of VPN solutions including Cisco AnyConnect, Palo Alto GlobalProtect, and Fortinet, as well as cloud services like Microsoft 365, Google Workspace, Amazon Web Services, and Salesforce. Duo uses SAML, RADIUS, and LDAP protocols to connect with existing infrastructure. These integrations allow organizations to add multi-factor authentication without replacing their existing identity and access management systems.

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