Removable Disks: Deny read access
Supported on: At least Windows Vista
Registry
HKLM
Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} Value name: Deny_Read
Enabled: Deny_Read = 1
Disabled: Deny_Read = 0
Description
This policy setting denies read access to removable disks. If you enable this policy setting, read access is denied to this removable storage class. If you disable or do not configure this policy setting, read access is allowed to this removable storage class.