Adaptive Authentication vs Duo Passwordless: Side-by-Side Comparison (2026)

Adaptive Authentication: Adaptive authentication platform with risk-based dynamic user challenges. built by Verosint. Core capabilities include Dynamic risk-based authentication challenges, Custom rules engine for authentication policies, Pre-built rule templates for fraud defense..

Duo Passwordless: Passwordless authentication solution using biometrics, security keys, and MFA. built by Duo Security. Core capabilities include Multi-factor authentication (MFA), Single sign-on (SSO) for SAML-based applications, Biometric authentication support..

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

Adaptive Authentication differentiates with Dynamic risk-based authentication challenges, Custom rules engine for authentication policies, Pre-built rule templates for fraud defense. Duo Passwordless differentiates with Multi-factor authentication (MFA), Single sign-on (SSO) for SAML-based applications, Biometric authentication support.

Adaptive Authentication is developed by Verosint. Duo Passwordless is developed by Duo Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

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