Username is not an available filter on the Hosts Management page. The Hosts Management page allows you to view and manage all the hosts in your environment that have Falcon sensors installed. You can filter the hosts by hostname, group, OS version, sensor version, last seen date, health events, detections, and preventions. You can also perform actions such as assigning hosts to groups, updating sensor policies, uninstalling sensors, or isolating hosts.

In order to exercise manual control over the sensor upgrade process, as well as prevent unauthorized users from uninstalling or upgrading the sensor, the administrator should set the Sensor version to fixed and turn on the Uninstall and maintenance protection setting in the Sensor Update Policy. This will allow the administrator to specify which sensor version will be used by the hosts using this policy, and also require a maintenance token to uninstall or upgrade the sensor. The other options are either incorrect or not sufficient to meet this criteria.

The exclusion pattern that will prevent detections on a file at C:\Program Files\My Program\My Files\program.exe is \Program Files\My Program\My Files*. This pattern will match any file under the My Files folder, including program.exe, and exclude them from detections. The other patterns are either incorrect or too broad to prevent detections on this specific file.