Lifehacker.com had an article the other day that pretty much held your hand on steps to crack a WEP password using BackTrack3. Check it out ::HERE::

Toshiba laptops aren’t like most laptops where you can remove the BIOS battery and let it sit for a few hours to reset the BIOS. So what do you do? There are three forms of BIOS password removal being used currently by Toshiba:
1. Parallel port wraparound connector
2. Shorting a jumper, with power and with no power
3. Challenge/Response code

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ElcomSoft Co. Ltd. puts ATI and NVIDIA hardware to work accelerating the recovery of Wi-Fi passwords. The newly released Elcomsoft Wireless Security Auditor 1.0 benefits from the ability of
last-generation video cards manufactured by ATI and NVIDIA to munch numbers
faster, allowing its users to recover Wi-Fi passwords faster than ever before.
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Security researchers say they’ve developed a way to partially crack the Wi-Fi Protected Access (WPA) encryption standard used to protect data on many wireless networks.

The attack, described as the first practical attack on WPA, will be discussed at the PacSec conference in Tokyo next week. There, researcher Erik Tews will show how he was able to crack WPA encryption, in order to read data being sent from a router to a laptop computer. The attack could also be used to send bogus information to a client connected to the router.
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We all know cracking techniques through graphics cards speciifically CUDA based NVidia is on the rise. Now the programmers have set their sights on WIFI cracking. One group reportedly bored through WPA and WPA2 encryptions using a brute-force technique juiced with one of Nvidia’s latest graphics cards . The card supposedly made the “password recovery” process up to 10,000 percent faster than CPU-based cracking. (more…)