You can assign a policy to multiple managed systems within a group before or after deploying the Trellix FRP software.
Click Menu → Systems → System Tree → Systems, then select the system group under the System Tree. All the systems within this group (but not its subgroups) appear in the details pane.
Select the relevant systems, then click Actions → Agent → Set Policy & Inheritance to open the Assign Policies page.
Select File and Removable Media Protection from the drop-down list.
Select the category and policy from the respective drop-down lists, then click Save.
The available policies depend on your role and permissions.
The policy is assigned to the selected system group.