Spoofing a MAC Address

September 25th, 2008

TipsThese days, nearly every network adapter has an associated number called a MAC address. This number is (almost always) unique and is defined in the network card hardware—making it permanent and unchangeable. Thus one aspect of wireless network security is to only allow access to devices with specific MAC addresses. And while this is a good practice, it will not keep out a determined hacker. Despite what I wrote above, MAC addresses can be easily spoofed at the operating system level. The linked article explains how to do it in Windows. This is another reason why there is no such thing as total network security without encryption (and even then, it has to be the right type of encryption).

Link: http://www.online-tech-tips.com/…
(via Lifehacker)

One Response to “Spoofing a MAC Address”

  1. [link]josh Says:

    MAC address spoofing is trivial:
    My wireless router has an administration page to set the MAC address it broadcasts to the web so you can make others think the router is actually your PC. Spoofing for good not evil there.

    There is a command program for the PC, macshift which is so you can change your MAC address in a script until you find “just the right one”, in case you need that ;-)

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