Auto-closing incidents using automation rules

Before we begin, you will need to have access to Microsoft Sentinel with appropriate permissions (Microsoft Sentinel Contributor).

Creating an automation rule

In this case, we want to close an incident using the automation rule on incident creation, when a specific IP is detected during a specific time window. One such scenario is if we are doing penetration testing, and this IP address will create a lot of false positives. Therefore, we don’t want to overload SOC analysts with these incidents and instead let them focus on their day-to-day operations. The following case will involve penetration testing with the SOC not engaged:

1. To begin, we need to go to Microsoft Sentinel and the Automation tab.
2. Select Create and choose Automation rule.
3. Under Automation rule name, we can add Pen-Testing False Positive.
4. The trigger should stay as When incident is created.
5. In Conditions, we can leave All for Analytic...