In USM Central, all alarms have a Priority field, which indicates the importance of the alarm. This is a measurement to determine the impact of the alarm in the network.

The Priority field can display Low, Medium, or High. This text comes from correlation Correlation identifies potential security threats by identifying relationships between multiple types of events occurring in two or more assets. and orchestration rules. When you create an orchestration rule, you must enter a priority value between 0 and 100. AT&T Alien Labs™ creates the correlation rules A correlation rule correlates incoming events based on previously defined relationships defined in the correlation directive, associating multiple events, of the same or different event types, from the same data source. and include a value. The Alien Labs team sets the value for the correlation rules depending on how critical the alarm is.

The displayed text in the column of alarms depends on the value that the rule has according to this table:

Priority Field for Alarms

Displayed text	Value in the rule
Low	Between 0 and 33
Medium	Between 34 and 66
High	Between 67 and 100

Open the details of an alarm to learn the exact value of the priority level. See View Alarm Details for more information. After you are in the Alarm Details page, hover over the priority text and a dialog box will show you the exact value.

See Correlation Rules and Orchestration Rules Management for more information.