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How can you implement SSO in a hybrid cloud environment?

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Single sign-on (SSO) is a feature that allows users to access multiple applications or services with one login credential. SSO can improve user experience, security, and productivity, especially in a hybrid cloud environment where resources are distributed across on-premises and cloud platforms. However, implementing SSO in a hybrid cloud environment can also pose some challenges, such as identity synchronization, authentication protocols, and governance policies. In this article, you will learn how to overcome these challenges and implement SSO in a hybrid cloud environment using some best practices and tools.

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Andrew L.

Google Workspace Global Architect @ Google | Information Security Specialist

1 Choose an identity provider

The first step to implement SSO in a hybrid cloud environment is to choose an identity provider (IdP) that can manage and authenticate user identities across different platforms. An IdP is a service that verifies user credentials and issues tokens or certificates that grant access to applications or services. You can choose an IdP that is hosted on-premises, such as Active Directory Federation Services (AD FS), or a cloud-based IdP, such as Azure Active Directory (Azure AD) or Okta. The choice of IdP depends on your existing infrastructure, security requirements, and integration options.

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Andrew L.

Google Workspace Global Architect @ Google | Information Security Specialist
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When selecting an IdP for hybrid SSO, consider features beyond just SSO. Assess required protocols and app integrations. Evaluate compliance capabilities for password policies, MFA, and access control. Ensure scalability and high availability to handle growth. Remember, on-premises IdPs often require more complex setup and management. Choose an IdP that aligns with your long-term cloud strategy and avoids vendor lock-in.

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2 Synchronize user identities

The next step is to synchronize user identities between your on-premises and cloud platforms. This ensures that users have consistent and updated profiles and permissions across different applications or services. You can use tools such as Azure AD Connect or Okta Identity Cloud to sync user identities from your on-premises directory to your cloud-based IdP. Alternatively, you can use a federated identity model, where your on-premises directory acts as the authoritative source of user identities and your cloud-based IdP trusts the tokens or certificates issued by it.

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Andrew L.

Google Workspace Global Architect @ Google | Information Security Specialist
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Accuracy of synced properties remains paramount. Regardless of the chosen approach, you must establish robust mechanisms to: Validate directory data: Regularly cleanse and audit on-premises directories to ensure user attributes and group memberships are up-to-date and accurate. Attribute mapping: Carefully map on-premises attributes to their corresponding claims in the cloud environment to ensure seamless authorization and access control. Continuous monitoring: Implement automated processes to monitor directory synchronization health and promptly address any discrepancies or errors.

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3 Configure authentication protocols

The third step is to configure the authentication protocols that your applications or services use to communicate with your IdP. Authentication protocols are standards that define how user credentials are exchanged and verified between different parties. Some common authentication protocols for SSO are SAML, OAuth, and OpenID Connect. You need to ensure that your applications or services support the same authentication protocol as your IdP, or use a gateway or proxy that can translate between different protocols.

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Andrew L.

Google Workspace Global Architect @ Google | Information Security Specialist
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Compatibility: Ensure IdP and apps support same protocol. Use gateways or proxies for translation if needed. Security: Encrypt communication (HTTPS), validate tokens rigorously, manage sessions properly to prevent hijacking. Complexity: Document configurations thoroughly, implement clear error handling and logging. Testing: Conduct vigorous interoperability testing to identify and address issues early. Updates: Keep protocols, libraries, and software updated for security and compatibility. Monitoring: Track authentication events, analyze logs regularly to identify patterns and threats.

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4 Enforce governance policies

The final step is to enforce governance policies that control user access and security in your hybrid cloud environment. Governance policies are rules that define who can access what, when, where, and how in your applications or services. You can use tools such as Azure AD Conditional Access or Okta Adaptive MFA to apply granular and dynamic policies based on user attributes, device characteristics, location, and risk level. You can also use tools such as Azure AD Privileged Identity Management or Okta Lifecycle Management to automate user provisioning and deprovisioning, and monitor user activity and compliance.

Implementing SSO in a hybrid cloud environment can help you streamline user authentication and authorization, and enhance security and efficiency. By following these steps, you can overcome the challenges of SSO in a hybrid cloud environment and leverage the benefits of SSO for your users and business.

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5 Here’s what else to consider

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How can you implement SSO in a hybrid cloud environment?

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1 Choose an identity provider

2 Synchronize user identities

3 Configure authentication protocols

4 Enforce governance policies

5 Here’s what else to consider

Network Security

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How can you implement SSO in a hybrid cloud environment?

1

2

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5

1 Choose an identity provider

2 Synchronize user identities

3 Configure authentication protocols

4 Enforce governance policies

5 Here’s what else to consider

Network Security

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