FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API.
Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around.
Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably.
Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.
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Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation.
With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.
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Beyond Identity
Beyond Identity provides the strongest authentication on the planet, eliminating passwords completely for customers, employees, and developers.
Unique to Beyond Identity, users never have to pick up a second device to enroll or authenticate, passwords are completely eliminated from user flows and your database, and organizations can implement risk-based access controls using granular user and device risk captured in real-time.
By default, Beyond Identity authenticates with invisible MFA that only leverages unphishable factors. This allows organizations to secure access to applications and critical data by eliminating account takeover, ransomware, and all credential-based attacks all while improving the user experience
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IBM Verify Identity Protection
IBM's solution for identity threat detection and response, along with its identity security posture management, offers comprehensive visibility into user activities across various isolated IAM tools utilized in cloud environments, SaaS, and on-premise applications. The IBM Verify Identity Protection not only encompasses ISPM and ITDR capabilities to safeguard your organization but also facilitates quick deployment without the need for agents or clients. Designed to be compatible with any cloud or network infrastructure, this solution enhances your existing cybersecurity measures by providing critical insights into identity risks. It effectively identifies and addresses identity-related vulnerabilities, including shadow assets, unauthorized local accounts, the absence of multi-factor authentication, and the usage of unapproved SaaS applications across diverse platforms. Additionally, it uncovers potentially harmful misconfigurations stemming from human errors, dangerous policy deviations, and insufficient implementation of identity management tools, ensuring a more robust security posture for your organization. By proactively managing these risks, businesses can better protect their sensitive information and maintain compliance with industry standards.
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