The Overview dashboard provides visualizations of your Splunk Security Essentials content. This page is a visual overview of data configured on the Security Content page. Use this page to see the number of data sources and examples in Splunk Security Essentials, the Top Kill Chain phases, how use cases map to different data sources and so on. Click Only Bookmarked to show only your bookmarked data. For more information on bookmarks, see Track your content with the Manage Bookmarks dashboard.