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How can SSO handle identity federation across different organizations?

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Single sign-on (SSO) is a convenient and secure way to authenticate users across multiple applications and services with one set of credentials. But what if you need to access resources from different organizations that have their own identity providers and policies? This is where identity federation comes in. Identity federation is a process that allows users to authenticate with one identity provider and access resources from another, without having to create or manage multiple accounts. In this article, you will learn how SSO can handle identity federation across different organizations, and what are some of the benefits and challenges of this approach.

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Adil Bajwa

CCP-V, CCA-V, PMP, Citrix Cloud CC-VAD-CC, Azure Security, Azure Administrator, Azure Infrastructure Solutions Expert…

1 What is identity federation?

Identity federation is a form of cross-domain authentication that enables users to access resources from different organizations or domains, using the same identity provider or a trusted third-party. For example, if you are a student at a university, you can use your university credentials to access online courses from another institution, without having to register or log in separately. The identity provider (the university in this case) verifies your identity and sends a token or assertion to the service provider (the online course platform), which grants you access based on the information in the token. This way, you can use one set of credentials to access multiple services across different domains.

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Adil Bajwa

CCP-V, CCA-V, PMP, Citrix Cloud CC-VAD-CC, Azure Security, Azure Administrator, Azure Infrastructure Solutions Expert, Cloud/On-Premises/Hybrid, TOGAF Part1.
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In this era, most organizations prefer the federation along with a SSO using multi platforms. One of the giant at a higher point in Gartner is SailPoint and their solution is best so far. Microsoft since changed name to Entra, claiming to have SSO Identity management solution providers as well.

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2 How does SSO work with identity federation?

SSO is a technique that enables users to log in once and access multiple applications or services without having to re-enter their credentials. It can work with identity federation by using common standards or protocols, such as SAML (Security Assertion Markup Language), OAuth (Open Authorization), and OpenID Connect. SAML is an XML-based standard that defines how identity providers and service providers can exchange authentication and authorization data via assertions, which are XML documents containing information about the user's identity, attributes, and permissions. OAuth is a standard that allows users to grant access to their resources or data from one application or service to another without sharing their credentials, using tokens as strings of characters representing the user's authorization. And OpenID Connect builds on OAuth and provides a simple way to verify the user's identity and obtain basic profile information via JSON Web Tokens (JWTs). These standards are widely used for SSO and identity federation in various settings, such as enterprise, academic, social media platforms, cloud services, mobile applications, and web APIs.

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3 What are the benefits of SSO and identity federation?

SSO and identity federation offer several benefits for both users and organizations, such as an improved user experience, enhanced security and reduced costs and complexity. Through SSO, users can access multiple resources with one login, eliminating the need to remember or manage multiple credentials. This reduces the risk of credential theft or compromise, as well as the costs of managing multiple user accounts and databases. Organizations can also enforce stronger authentication methods and policies for their users, such as multi-factor authentication or password expiration. Additionally, they can leverage existing infrastructure and expertise of identity providers or trusted third parties to control the access and permissions of their users across different resources. All of this helps to reduce friction, frustration, cost and complexity for organizations.

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Adil Bajwa

CCP-V, CCA-V, PMP, Citrix Cloud CC-VAD-CC, Azure Security, Azure Administrator, Azure Infrastructure Solutions Expert, Cloud/On-Premises/Hybrid, TOGAF Part1.
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It will benefit organizations to control the identities access and revoking their access from a single console. Earlier, its easier by enabling SAML for AWS, Azure or GCP with Azure or on prem ADFS. But the real pain is the SaaS applications.

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4 What are the challenges of SSO and identity federation?

SSO and identity federation present some challenges for both users and organizations. Users must trust their identity providers and service providers to handle their identity information securely and appropriately, as well as be aware of the scope and duration of their access and permissions. Organizations must ensure compliance with data protection and privacy laws, use compatible standards and protocols for identity federation, handle high volumes of requests, and prepare for possible failures or disruptions. Additionally, conflicts between policies must be resolved, privacy preferences respected, and users informed of identity federation policies and practices.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Adil Bajwa

CCP-V, CCA-V, PMP, Citrix Cloud CC-VAD-CC, Azure Security, Azure Administrator, Azure Infrastructure Solutions Expert, Cloud/On-Premises/Hybrid, TOGAF Part1.
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From my experience, Study well your organization. Bring all platforms on the table and adopt the SSO Identity management using a phased approach as this solution during onboarding is costly and need more time to make sure its as per expectations.

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How can SSO handle identity federation across different organizations?

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3

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5

1 What is identity federation?

2 How does SSO work with identity federation?

3 What are the benefits of SSO and identity federation?

4 What are the challenges of SSO and identity federation?

5 Here’s what else to consider

Network Security

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How can SSO handle identity federation across different organizations?

1

2

3

4

5

1 What is identity federation?

2 How does SSO work with identity federation?

3 What are the benefits of SSO and identity federation?

4 What are the challenges of SSO and identity federation?

5 Here’s what else to consider

Network Security

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