Curity Identity Server vs Duo Single Sign-On (SSO): Side-by-Side Comparison (2026)

Curity Identity Server: Identity server platform for managing authentication and access decisions. built by Curity..

Duo Single Sign-On (SSO): SSO solution with MFA integration for cloud and on-premises applications. built by Duo Security..

Both serve the Access Management market but differ in approach, feature depth, and target audience.

Curity Identity Server is developed by Curity. Duo Single Sign-On (SSO) is developed by Duo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Curity Identity Server and Duo Single Sign-On (SSO) serve similar Access Management use cases: both are Access Management tools, both cover SSO, MFA, Authentication. Review the feature comparison above to determine which fits your requirements.