The Splunk Product Best Practices team helped produce this response. Read more about example use cases in the Splunk Platform Use Cases manual.
In this use case, we'll explore how to use Splunk Enterprise Security to discover when previously inactive accounts are being used. This may be due to an attacker that successfully gained access to an account that should no longer be used.
This use case depends on asset and identity data. Use the instructions to Add asset and identity data to Splunk Enterprise Security to allow Splunk Enterprise Security to correlate asset and identity information with events to enrich and provide context to your data. It’s a best practice to use the CIM to normalize data at search time, but before you put in effort to create new knowledge objects, check Splunkbase to see if such a CIM-compatible app or add-on already exists.
For more details about the Common Information Model, watch the following video.
Review the Overview of Incident Review in Splunk Enterprise Security in Splunk docs for guidance on how to triage and act on resulting incidents. If there are not results, there may not be any notable notable events or you may need to enable correlation searches.
Watch the following video to see how the Use Case Library in Splunk Enterprise Security can strengthen your security posture and reduce risk with readily available, usable, and relevant content.