All detected USB storage devices are allowed access until you block unapproved devices.

Carbon Black Cloud Device Control manages USB Mass Storage Devices (removable hard disks, USB thumbsticks, SDHC cards etc) connected to Windows and macOS machines.


  1. On the left navigation pane, click Enforce > Policies and select the Prevention tab.
  2. Turn on blocking by selecting Block access to all unapproved USB devices.
  3. To apply the same setting to all policies or a specific set of policies, click Copy setting to other policies.