Diagnostic Logs in IoT Hub Should Be Enabled

Description:

Enable logs and retain them up to a year. This enables you to recreate activity trails for investigation purposes when a security incident occurs or your network is compromised.

Remediation:

To enable IoT Hub diagnostics:
1. Go to the Event Hub namespace.
2. Click Diagnostic settings and then click Turn on diagnostics.
3. Select one of the options to store the diagnostics logs and follow the instructions.
Note : We recommend setting a retention for the logs. If you select the storage account option , make sure to set the retention to 1 year.