authentik vs Duo Microsoft Integration: Side-by-Side Comparison (2026)

authentik: Open-source identity provider with SSO, MFA, and application proxy capabilities. built by authentik. Core capabilities include Multi-factor authentication, Single sign-on with OAuth2/OIDC and SAML2 support, Application proxy..

Duo Microsoft Integration: MFA integration for Microsoft services including Entra ID, Windows, and RDP. built by Duo Security. Core capabilities include Multi-factor authentication for Microsoft services, Integration with Microsoft Entra ID (Azure AD), Two-factor authentication for Windows logon and RDP..

Both serve the Multi-Factor Authentication and Single Sign-On market but differ in approach, feature depth, and target audience.

authentik differentiates with Multi-factor authentication, Single sign-on with OAuth2/OIDC and SAML2 support, Application proxy. Duo Microsoft Integration differentiates with Multi-factor authentication for Microsoft services, Integration with Microsoft Entra ID (Azure AD), Two-factor authentication for Windows logon and RDP.

authentik is developed by authentik. Duo Microsoft Integration is developed by Duo Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

authentik and Duo Microsoft Integration serve similar Multi-Factor Authentication and Single Sign-On use cases: both are Multi-Factor Authentication and Single Sign-On tools, both cover MFA, Authentication, Active Directory. Review the feature comparison above to determine which fits your requirements.