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Tutorial: Microsoft Entra single sign-on (SSO) integration with Segment

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In this tutorial, you'll learn how to integrate Segment with Microsoft Entra ID. When you integrate Segment with Microsoft Entra ID, you can:

  • Control in Microsoft Entra ID who has access to Segment.
  • Enable your users to be automatically signed-in to Segment with their Microsoft Entra accounts.
  • Manage your accounts in one central location.

Prerequisites

To get started, you need the following items:

  • A Microsoft Entra subscription. If you don't have a subscription, you can get a free account.
  • Segment single sign-on (SSO) enabled subscription.

Scenario description

In this tutorial, you configure and test Microsoft Entra SSO in a test environment.

  • Segment supports SP and IDP initiated SSO.
  • Segment supports Just In Time user provisioning.
  • Segment supports Automated user provisioning.

To configure the integration of Segment into Microsoft Entra ID, you need to add Segment from the gallery to your list of managed SaaS apps.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.
  2. Browse to Identity > Applications > Enterprise applications > New application.
  3. In the Add from the gallery section, type Segment in the search box.
  4. Select Segment from results panel and then add the app. Wait a few seconds while the app is added to your tenant.

Alternatively, you can also use the Enterprise App Configuration Wizard. In this wizard, you can add an application to your tenant, add users/groups to the app, assign roles, as well as walk through the SSO configuration as well. Learn more about Microsoft 365 wizards.

Configure and test Microsoft Entra SSO for Segment

Configure and test Microsoft Entra SSO with Segment using a test user called B.Simon. For SSO to work, you need to establish a link relationship between a Microsoft Entra user and the related user in Segment.

To configure and test Microsoft Entra SSO with Segment, perform the following steps:

  1. Configure Microsoft Entra SSO - to enable your users to use this feature.
    1. Create a Microsoft Entra test user - to test Microsoft Entra single sign-on with B.Simon.
    2. Assign the Microsoft Entra test user - to enable B.Simon to use Microsoft Entra single sign-on.
  2. Configure Segment SSO - to configure the single sign-on settings on application side.
    1. Create Segment test user - to have a counterpart of B.Simon in Segment that is linked to the Microsoft Entra representation of user.
  3. Test SSO - to verify whether the configuration works.

Configure Microsoft Entra SSO

Follow these steps to enable Microsoft Entra SSO.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.

  2. Browse to Identity > Applications > Enterprise applications > Segment > Single sign-on.

  3. On the Select a single sign-on method page, select SAML.

  4. On the Set up single sign-on with SAML page, click the pencil icon for Basic SAML Configuration to edit the settings.

    Edit Basic SAML Configuration

  5. On the Basic SAML Configuration section, if you wish to configure the application in IDP initiated mode, perform the following steps:

    a. In the Identifier text box, type a value using the following pattern: urn:auth0:segment-prod:samlp-<CUSTOMER_VALUE>

    b. In the Reply URL text box, type a URL using the following pattern: https://segment-prod.auth0.com/login/callback?connection=<CUSTOMER_VALUE>

  6. Click Set additional URLs and perform the following step if you wish to configure the application in SP initiated mode:

    In the Sign-on URL text box, type the URL: https://app.segment.com

    Note

    These values are placeholders. You need to use the actual Identifier and Reply URL. Steps for getting these values are described later in this tutorial.

  7. On the Set up single sign-on with SAML page, in the SAML Signing Certificate section, find Certificate (Base64) and select Download to download the certificate and save it on your computer.

    The Certificate download link

  8. On the Set up Segment section, copy the appropriate URL(s) based on your requirement.

    Copy configuration URLs

Create a Microsoft Entra test user

In this section, you'll create a test user called B.Simon.

  1. Sign in to the Microsoft Entra admin center as at least a User Administrator.
  2. Browse to Identity > Users > All users.
  3. Select New user > Create new user, at the top of the screen.
  4. In the User properties, follow these steps:
    1. In the Display name field, enter B.Simon.
    2. In the User principal name field, enter the username@companydomain.extension. For example, B.Simon@contoso.com.
    3. Select the Show password check box, and then write down the value that's displayed in the Password box.
    4. Select Review + create.
  5. Select Create.

Assign the Microsoft Entra test user

In this section, you'll enable B.Simon to use single sign-on by granting access to Segment.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.
  2. Browse to Identity > Applications > Enterprise applications > Segment.
  3. In the app's overview page, select Users and groups.
  4. Select Add user/group, then select Users and groups in the Add Assignment dialog.
    1. In the Users and groups dialog, select B.Simon from the Users list, then click the Select button at the bottom of the screen.
    2. If you are expecting a role to be assigned to the users, you can select it from the Select a role dropdown. If no role has been set up for this app, you see "Default Access" role selected.
    3. In the Add Assignment dialog, click the Assign button.

Configure Segment SSO

  1. In a new web browser window, sign in to your Segment company site as an administrator.

  2. Click on Settings Icon and scroll down to AUTHENTICATION and click on Connections.

    Screenshot that shows the "Settings" icon selected, and "Connections" selected from the "Authentication" menu.

  3. Click on Add new Connection.

    Screenshot that shows the "Connections" section with the "Add new Connection" button selected.

  4. Select SAML 2.0 as a connection to configure and click on Select Connection button.

    Screenshot that shows the "Choose a Connection" section with "S A M L 2.0" and the "Select Connection" button selected.

  5. On the following page, perform the following steps:

    Screenshot that shows the "Configure Identity Provider" page with the "Single Sign-On U R L" and "Audience U R L" text boxes highlighted, and the "Next" button selected.

    a. Copy the Single Sign-On URL value and paste it into the Reply URL box in the Basic SAML Configuration dialog box.

    b. Copy the Audience URL value and paste it into the Identifier URL box in the Basic SAML Configuration dialog box.

    c. Click on Next.

    Segment Configuration

  6. In the SAML 2.0 Endpoint URL box, paste the Login URL value that you copied.

  7. Open the downloaded Certificate(Base64) into Notepad and paste the content into the Public Certificate textbox.

  8. Click on Configure Connection.

Create Segment test user

In this section, a user called B.Simon is created in Segment. Segment supports just-in-time user provisioning, which is enabled by default. There is no action item for you in this section. If a user doesn't already exist in Segment, a new one is created after authentication.

Segment also supports automatic user provisioning, you can find more details here on how to configure automatic user provisioning.

Test SSO

In this section, you test your Microsoft Entra single sign-on configuration with following options.

SP initiated:

  • Click on Test this application, this will redirect to Segment Sign on URL where you can initiate the login flow.

  • Go to Segment Sign-on URL directly and initiate the login flow from there.

IDP initiated:

  • Click on Test this application, and you should be automatically signed in to the Segment for which you set up the SSO.

You can also use Microsoft My Apps to test the application in any mode. When you click the Segment tile in the My Apps, if configured in SP mode you would be redirected to the application sign on page for initiating the login flow and if configured in IDP mode, you should be automatically signed in to the Segment for which you set up the SSO. For more information about the My Apps, see Introduction to the My Apps.

Next steps

Once you configure Segment you can enforce session control, which protects exfiltration and infiltration of your organization’s sensitive data in real time. Session control extends from Conditional Access. Learn how to enforce session control with Microsoft Defender for Cloud Apps.