SAML VS. SSO: Explore the Differences

In this article, we will delve into the definitions, benefits, and differences between SSO and SAML.

David Demir

David Demir

18 May 2025

SAML VS. SSO: Explore the Differences

Single Sign-On (SSO) and Security Assertion Markup Language (SAML) are both crucial concepts in the world of enterprise security and identity management. Understanding their differences and how they complement each other is essential for designing robust security systems. In this article, we will delve into the definitions, benefits, and differences between SSO and SAML.

What is SSO?

Single Sign-On (SSO) is an authentication process that allows a user to access multiple applications with one set of login credentials. Instead of having to log in separately to each application, SSO enables users to authenticate once and gain access to all authorized resources without having to re-enter their credentials.

Benefits of Implementing SSO

  1. Improved User Experience: Users only need to remember one set of credentials, reducing password fatigue and login frustrations.
  2. Increased Productivity: By minimizing the time spent logging in to different applications, SSO enhances productivity.
  3. Enhanced Security: SSO reduces the likelihood of weak passwords and password reuse across multiple applications, thus improving overall security.
  4. Simplified Management: IT administrators can manage access and permissions from a single point of control, making it easier to enforce security policies.
  5. Reduced Help Desk Costs: Fewer password-related issues and resets mean lower support costs.
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Apidog Enterprise offers SSO integration, supporting SAML 2.0-compatible IdPs like Microsoft Entra ID. This feature enhances security through regular identity verification and streamlines user access by allowing direct login and organization joining via work emails. Try it out!
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What is SAML?

Security Assertion Markup Language (SAML) is an open standard for exchanging authentication and authorization data between parties, specifically between an identity provider (IdP) and a service provider (SP). SAML allows for secure, seamless authentication by passing information about users between these parties, enabling SSO.

Is SAML the Same as SSO?

No, SAML is not the same as SSO. While they are related, they serve different purposes:

What is the Difference Between SSO and SAML Authentication?

While both Single Sign-On (SSO) and Security Assertion Markup Language (SAML) are integral to modern authentication and authorization processes, they serve distinct roles and functions.

Here, we will explore the differences between SSO as a concept and SAML as a specific protocol used to implement SSO.

1. Scope and Definition

SSO (Single Sign-On):

SAML (Security Assertion Markup Language):

2. Functionality and Use Cases

SSO:

SAML:

3. Technical Differences

Authentication Flow:

SSO:

SAML:

Implementation Complexity:

SSO:

SAML:

4. Security Considerations

SSO:

SAML:

Conclusion

Understanding the differences between SSO and SAML is essential for designing effective security and identity management systems. While SSO provides a seamless user experience by allowing access to multiple applications with a single login, SAML is a protocol that facilitates this process by securely exchanging authentication and authorization data.

Together, they enhance security, streamline access, and improve productivity in enterprise environments. Implementing these technologies thoughtfully can significantly bolster your organization’s security posture and operational efficiency.

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