Wednesday, May 18, 2005

How to crack WiFi networks that use WEP

Check out a two part article on Tom's networking that gives a detailed how-to on breaking WEP keys - Part-I and Part-II. These articles dont just talk fluff, they lead you through the steps needed to break the WEP keys. It took them less then 5 minutes to break a 64 bit WEP key which includes the time to scan using airodump and cracking with aircrack and simulating traffic.

At an ISSA (Information Systems Security Association) meeting in Los Angeles, a team of FBI agents demonstrated current WEP-cracking techniques and broke a 128 bit WEP key in about three minutes. So even the 128 bit key is not safe enough.

Here is what The Feds suggested to protect your WiFi network:
You should use either WPA (WiFi Protected Access) or WPA-2 (with a strong password) or turning off wireless altogether until you can.

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