Tuesday, 16 August 2011

Hack a WEP WiFi Network

Wired Equivalent Privacy (WEP) is fast becoming the most insecure
wireless encryption for networks.   WPA, on the other hand, is
significantly more difficult to crack.   WEP (either 64-bit or 128-bit)
can be cracked easily using Backtrack 3 which is a Linux distro and one
of the most popular tools for the job.

Note, don’t use this for malicious behavior (we have to say that
legally).  Anyways, cracking a WEP encryption can be done fairly
easily.  While it’s not a one click solution, this step by step security tutorial shows you how to hack WEP using a wireless adapter that’s capable of packet injection, BackTrack 3, and of course a Wi-Fi access point with WEP (not WPA).

The idea is to attack a WEP enabled WiFi access point, capture
packets from the network, and then decrypt the WEP key. There may be
hits and misses along the way as a lot depends on the Wi-Fi signal
strength and the hardware being used.


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