Controlling block storage devices on USB buses What does controlling block storage devices on USB buses do? This feature provides the ability to set a registry key that will prevent write operations to USB block storage devices, such as memory sticks. When this registry key is enabled, the devices function only as read-only devices. You can implement this setting as part of a security strategy to prevent users from transporting data using these devices. Who does this feature apply to? •Users who do not want data to be written from their computer to a USB storage device. •IT professionals who want to implement organization controls over the use of USB block storage devices Key Path: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\StorageDevicePolicies Value Name (DWORD): WriteProtect Data Value: 0 = disable, 1 = enable |