NO Indcidents or Alerts generated in Sentinel/Defender Portal

It seems like you're experiencing issues with alerts and incidents not being generated in Microsoft Sentinel despite having set up your environment correctly. Here are a few things to check:

1. Rule Configuration: Ensure that the analytics rules you have enabled are properly configured to detect the specific telemetry data generated by the Atomic Red Team use cases. Sometimes, the rules may not be set to trigger on the specific events you are generating.
2. Data Connectors: Verify that all necessary data connectors are properly configured and connected. If the data connectors are not set up correctly, Sentinel may not receive the required telemetry data to trigger alerts.
3. Log Analytics Workspace: Confirm that your Log Analytics workspace is correctly linked to your Sentinel instance. You should be able to see the logs in both places.
4. Testing with Known Threats: Sometimes, using known threat scenarios or test alerts can help in validating whether the detection mechanisms are working. Ensure that the telemetry data you are generating is recognized by the rules you have set up.
5. Review Logs: Check the logs in the Log Analytics workspace for any errors or warnings that might indicate why alerts are not being generated. This can provide insights into any misconfigurations or issues.
6. Consult Documentation: Refer to the official Microsoft documentation for guidance on creating and managing analytics rules and alerts in Sentinel. This can help you ensure that you are following best practices.

If after checking these points you still face issues, consider reaching out to Microsoft support or community forums for more specific troubleshooting assistance.

References:

• Automatically create incidents from Microsoft security alerts
• Create rules to identify security threats