High-tech tricks to block USB leaks Vista data

Vista for some units that have high requirements for data security, or private computers, are worried about the leakage of data. Therefore, the use of USB is prohibited as an effective way to prevent leaks. How can it be achieved?
1. Enter "regedit" in the search box of the start menu to open the registry editor. In Windows Vista, if UAC is not turned off, running Registry Editor will trigger UAC and a prompt window will pop up, click OK.
2, find the following registry branch, if the branch does not exist, create HKEY_LOCAL_MacHINE\\SYSTEM\\CurrentControlSet\\Control \\StorageDevicePolicIEs, create a DWord (32-bit) registry entry named "WriteProtect", the value is set to "1 ",
3. When you need to write data to the USB device, turn off the write protection for the USB device, repeat the above operation, and set the "WriteProtect" value to "0".
After the modification, insert the flash drive when using the flash drive, the system will display the drive letter as usual, but can only read the data files in the flash drive, but can not write data to the flash drive, thus preventing data The purpose of the leak.