With the popularity of mobile storage devices, USB flash drives have become an indispensable tool in people’s daily life and work. However, USB flash drives also bring some security risks, such as virus transmission, data leakage, etc. In order to prevent these problems from occurring, we can disable the USB interface of the computer through the registry and group policy, thereby preventing the use of USB flash drives.
Tool Ingredients:
System version: Windows 10 20H2
Brand model: Lenovo ThinkPad X1 Carbon 2021
Software version: No additional software required
1. Disable the USB interface through the registry
1. Press the “Win+R” key to open the Run dialog box, enter “regedit”, and open the registry editor.
2. Locate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
3. In the right window, find the “Start” key, double-click to open it, modify its value to “4”, and then click “OK”.
4. Restart the computer, the USB interface will be disabled and the USB flash drive cannot be used.
2. Disable the USB interface through group policy
1. Press Win+R to open the Run dialog box, enter gpedit.msc, and open the Group Policy Editor.
2. Locate to the following path: Computer Configuration\Management Template\System\Removable Storage Access
3. In the right window, find “Disable access to all removable media drives except floppy disk drives”, double-click to open it, select “Enabled”, and then click “OK”.
4. Restart the computer, the USB interface will be disabled and the USB flash drive cannot be used.
3. How to restore the USB interface
1. If you need to restore the use of the USB interface, you can follow the steps below:
2. If the USB interface is disabled through the registry, you need to change the value of the “Start” key to “3”, and then restart the computer.
3. If the USB interface is disabled through Group Policy, you need to set “Disable access to all removable media drives except floppy disk drives” to “Unconfigured”, and then restart the computer.
Content extension:
1. In addition to disabling the USB interface through the registry and group policy, it can also be achieved through third-party software, such as USB Blocker, USB Disabler, etc.
2. Disabling the USB interface Although it can prevent the use of USB flash drives, it will also bring inconvenience to daily work, such as not being able to use USB devices such as mice and keyboards. Therefore, it is necessary to carefully consider whether it is necessary before disabling the USB interface.
3. If it is only to prevent the use of a specific USB flash drive, you can consider encrypting the USB flash drive or using USB flash drive management software, such as USB flash drive encryption master, USB flash drive guard, etc.
Summary:
Disabling the USB interface through the registry and group policy is an effective way to prevent the use of USB flash drives, but it can also cause inconvenience to daily work. In practical applications, it is necessary to weigh the specific situation and choose the solution that suits you. At the same time, you can also strengthen the security management of USB flash drives in other ways, such as encryption, use management software, etc. In short, improve security awareness and take preventive measures to truly protect your data and devices.
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