How can you administratively disable the USB port?

Published on December 11th, 2009 at 8:00 am

Last modified on August 13th, 2012 at 4:55 pm



Your organization is concerned about security issues related to USB flash drives. What is the best way to administratively disable the USB ports on a computer?

A) Disable the USB ports in the system BIOS and configure an administrative password

B) Remove the USB drivers from the operating system

C) Add physical USB locks to each USB interface

D) Modify the operating system permissions to prevent access to the USB ports


The answer: A) Disable the USB ports in the system BIOS and configure an administrative password

The USB ports of a computer can be completely disabled using the BIOS settings of the system.

Want to know more? Watch “CMOS Settings.”

Making changes to a personal computer’s BIOS can be a bit challenging the first time through. In this video, we’ll show you how to launch your BIOS configuration, provide you with some tips for navigating different BIOS options, and walk through some common CMOS settings found in most of today’s computers.

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Category: CompTIA A+ Pop Quizzes

Comments (4)

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  1. Tom says:

    What about administering rules via Local Computer Policy?

    • A local computer policy isn’t a bad idea, but it doesn’t disable the USB port outside of that Windows configuration. I could easily bring a bootable CD or DVD and have full access to the USB port. By disabling the USB port in the BIOS, there’s no possible way to ever use the USB port, regardless of the operating system.

      • Josh says:

        But it is also fairly simple to reset a bios password. I don’t see how just disabling it in the bios would increase the level of security by a significant degree. Unless you were to physically lock the case to prevent tampering.

        • In environments where it’s important to disable the USB port, additional physical security is usually taken to ensure that resetting the BIOS is much more difficult than your computer at home.

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