Duo Security provides multi‑factor authentication, device health checks, and adaptive access policies to protect users and data. Below are 20 comparable solutions that deliver strong identity‑centric security, MFA, and zero‑trust capabilities.
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Comprehensive identity platform offering MFA, single sign‑on, lifecycle management, and adaptive security policies for cloud and on‑premises apps.
Microsoft’s cloud‑based identity service with conditional access, MFA, identity protection, and seamless integration with Office 365 and Azure services.
Enterprise‑grade identity platform delivering SSO, MFA, and intelligent access decisions across hybrid environments.
Developer‑focused identity solution offering customizable MFA, passwordless login, and robust API security.
Unified access management suite with SSO, MFA, and AI‑driven risk analytics for cloud and on‑premise applications.
Legacy MFA provider expanded with risk‑based authentication, adaptive access, and identity governance.
Privileged access and identity security platform delivering MFA, password vaulting, and session monitoring.
Cloud‑based MFA and strong authentication service supporting OTP, push, biometrics, and hardware tokens.
Identity and access management suite with MFA, SSO, risk‑based authentication, and AI‑driven threat detection.
Zero‑trust privileged access management with MFA, session recording, and adaptive authentication.
Identity platform offering MFA, adaptive authentication, and risk‑based access controls for enterprise environments.
Password manager with integrated MFA, SSO, and security dashboard for teams.
Open‑source password vault with optional MFA, SSO, and granular access controls.
Hardware‑based authentication tokens supporting OTP, FIDO2, and PIV for strong MFA across services.
Google Cloud’s identity services offering MFA, SSO, and contextual access for G Suite and third‑party apps.
Mobile app delivering push‑based MFA, OTP, and phone‑call verification for developers and enterprises.
Centralized authentication server providing MFA, certificate management, and RADIUS/TACACS+ services.
Extended Duo offering for large enterprises with advanced device health checks, adaptive policies, and API integrations.
Free mobile app delivering push notifications, OTP, and passwordless sign‑in for Microsoft and third‑party services.
Risk‑based authentication engine that adds contextual MFA and continuous assessment to Ping Identity’s suite.