Definition
OAuth is an open authorization framework that allows third-party applications to access user resources without exposing credentials, using token-based delegated access instead of sharing passwords.
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Common questions about OAuth answered by our security experts.
Related Terms
OpenID Connect
OpenID Connect (OIDC) is an identity layer built on top of OAuth 2.0 that allows applications to verify user identity and obtain basic profile information through a standardized authentication protocol.
SAML
Security Assertion Markup Language (SAML) is an XML-based open standard for exchanging authentication and authorization data between an identity provider and a service provider, enabling single sign-on across domains.
Authentication
Authentication is the process of verifying the identity of a user, device, or system before granting access to resources. It typically involves credentials such as passwords, biometrics, security tokens, or digital certificates.
Single Sign-On
Single Sign-On (SSO) is an authentication method that allows users to access multiple applications and services with one set of login credentials. SSO improves user experience, reduces password fatigue, and centralizes authentication management.
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