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Investigate

Data analysis creates the notifications and, in turn, the aggregated cases. This section starts at what happens after a case is created: how an analyst reviews it, works down from the summary into the underlying events, and closes the loop by tuning the rule that fired.

Three (3) Tier Operations

The review workflow​

  1. Overview Summary: the queue of behavior-summary tickets (below).
  2. Behavior Summary (case): pre-defined investigations and case status/ticketing.
  3. Behavior Timeline: the chronological event view for the entity (in the v2 interface, Notable Events).
  4. Investigation: event searching in the Data Lake.
note

In the v2 interface these pages are in the navigation rail: Overview Summary, Cases Search (each case opening on Behavior Summary), Notable Events, and Datalake Search; see Page Functionality. In the classic v1 interface they are found under the SIEM menu (Overview Summary, Behavior Summary, Behavior Timeline) and the Data Lake menu (Search); see Classic v1 interface.

Overview Summary​

In the navigation rail, open Overview Summary (/v2/overview-summary).

Overview Summary page with the Open, Closed by AI and MTTR counters, the five severity tiles, the Window, Status and Sort filters, and an empty summary list

The three counters at the top, OPEN (open behavior summaries), CLOSED BY AI (records closed automatically by the AI), and MTTR (the mean time to respond, measured on AI responses), summarize the behavior-summary tickets for the selected window.

Below them, the SEVERITY BREAKDOWN row has one tile per level (Critical, High, Serious, Medium, and Low), each giving the records of that severity shown in the list and, after the slash, the number of records of every severity that match the filters. Click a tile to narrow the list to that severity; Clear filter at the right end of the filter bar shows every severity again.

The filter bar sets what the list holds:

  • Window: 1D (the default), 3D, 7D, 30D, 90D, or ALL TIME.
  • Status: All (the default), New, Acknowledged, Closed, or Closed By AI.
  • Sort: Highest risk first (the default), Newest first, or New / unclosed first.
  • Show 0 score events: off by default, which lists only the summaries at or above the notification threshold of 3,000; ticked, the list holds every summary in the window, down to a score of zero.
  • Refresh: reloads the counters and the list.

Overview Summary with the Status drop-down open, listing All, New, Acknowledged, Closed and Closed By AI

The list itself has the columns SUMMARY, ALERT DATE, RISK, and STATUS, and reads No summaries match this filter. when nothing matches. Click a summary to open it on Behavior Summary.

To see how this table is dug into, continue to Investigating a Behavior Alert.

In this section​