What solution should be used to log user sign-in activity?

1. How to check user login history in Azure Active Directory?
2. Which of the following events will be logged into the activity log of Azure Monitor?

How to check user login history in Azure Active Directory?

Access the activity logs in the portal

Go to Azure AD and select Audit logs, Sign-in logs, or Provisioning logs. Adjust the filter according to your needs. For more information on the filter options for audit logs, see Azure AD audit log categories and activities.

Which of the following events will be logged into the activity log of Azure Monitor?

The Azure Monitor activity log is a platform log in Azure that provides insight into subscription-level events. The activity log includes information like when a resource is modified or a virtual machine is started. You can view the activity log in the Azure portal or retrieve entries with PowerShell and the Azure CLI.