Cryptographic weaknesses with the first generation wireless encryption standard have been known for years, but the latest attack requires the capture of just a tenth of the number of packets required by previous approaches. The technique allows for 50 per cent probability of the recovery of a 104-bit WEP key in around a minute (on a 802.11g network running at full speed), and with the capture of 40,000 packets. Doubling the capture period extends the probability of capturing the key to 95 per cent.

Read this full article at TheRegister.co.uk

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