OpenID Single Sign-On (SSO): The Essential Guide for IAM Engineers and Developers

OpenID Single Sign-On (SSO): The Essential Guide for IAM Engineers and Developers

Why This Matters Now: The recent surge in cloud-based applications and microservices architectures has made Single Sign-On (SSO) more critical than ever. OpenID Connect (OIDC), as a widely adopted standard for SSO, offers a robust and flexible solution. However, misconfigurations can lead to significant security vulnerabilities. This became urgent because of high-profile breaches where improper SSO setups were exploited. 🚨 Security Alert: Misconfigured OpenID SSO can expose your application to unauthorized access. Ensure your setup follows best practices. Understanding OpenID Connect (OIDC) OpenID Connect builds on top of the OAuth 2.0 protocol, providing a standardized way for applications to verify a user’s identity and obtain basic profile information. It uses JSON Web Tokens (JWTs) to encode claims about the authenticated user. ...

Dec 11, 2025 · 4 min · 804 words · IAMDevBox