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BackTrack 5 Wireless Penetration Testing Beginner’s Guide by Vivek Ramachandran

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Caffe Latte attack

In the Honeypot attack, we noticed that clients will continuously probe for SSIDs they have connected to previously. If the client had connected to an access point using WEP, operating systems such as Windows, cache and store the WEP key. The next time the client connects to the same access point, the Windows wireless configuration manager automatically uses the stored key.

The Caffe Latte attack was invented by me, the author of this book and was demonstrated in Toorcon 9, San Diego, USA. The Caffe Latte attack is a WEP attack which allows a hacker to retrieve the WEP key of the authorized network, using just the client. The attack does not require the client to be anywhere close to the authorized WEP network. It can crack ...

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