Authentication Provider

Definitions

1. A service or component responsible for verifying identity and often issuing tokens, assertions, or session information to applications. Authentication providers may be internal systems, third-party IdPs, social login providers, or pluggable modules inside a framework.

   In plain English: The service or component that confirms identity during login.

   Example: "They changed authentication providers when the legacy vendor could not support passkeys and modern device-based MFA."

Related Terms

• OIDC
• Digital Identity
• Enrollment
• Multi-Factor
• Password Recovery
• Authentication Flow
• Authentication Handler
• Authentication Library
• Authentication Service