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SSO

TL;DR: SSO (Single Sign-On) is an authentication method that allows users to access multiple systems using one secure login.

What is SSO?

SSO, or Single Sign-On, is an identity management method that lets a user authenticate once and automatically access multiple connected applications or platforms. Instead of logging in separately to each service, SSO uses a centralized identity provider to verify credentials and pass secure tokens to authorized systems. This improves convenience, reduces password fatigue, and enhances security by maintaining consistent access control across an organization.

Why SSO Matters in Security

  • Simplifies login by reducing multiple credentials
  • Lowers the risk of weak or reused passwords
  • Provides centralized access control and user management
  • Makes onboarding and offboarding more efficient
  • Improves auditability for compliance and security reviews

Common Use Cases

  • Logging into security dashboards and admin portals
  • Granting employees access to multiple workplace apps
  • Integrating identity providers like Google Workspace or Azure AD
  • Automating user provisioning in large organizations
  • Enforcing consistent authentication policies

Conclusion

SSO enhances both security and convenience by unifying access across systems through a single trusted login. It reduces risks, saves time, and ensures better control over user authentication in modern security environments.