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Access the Microsoft 365 Defender MSSP customer portal

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Applies to:

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Note

These set of steps are directed towards the MSSP.

By default, MSSP customers access their Microsoft 365 Defender tenant through the following URL: https://security.microsoft.com/.

MSSPs however, will need to use a tenant-specific URL in the following format: https://security.microsoft.com?tid=customer_tenant_id to access the MSSP customer portal.

In general, MSSPs will need to be added to each of the MSSP customer's Azure AD that they intend to manage.

Use the following steps to obtain the MSSP customer tenant ID and then use the ID to access the tenant-specific URL:

  1. As an MSSP, log in to Azure AD with your credentials.
  2. Switch directory to the MSSP customer's tenant.
  3. Select Azure Active Directory > Properties. You'll find the tenant ID in the Tenant ID field.
  4. Access the MSSP customer portal by replacing the customer_tenant_id value in the following URL: https://security.microsoft.com/?tid=customer_tenant_id.