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WPA TKIP cracked in a minute – time to move on to WPA2

Just a quick note to let you know that 2 Japanese scientists (from Hiroshima and Kobe Universities) have found a practical way to crack WPA TKIP in about one minute, using a technique called “Beck-Tews”. This technique is not new. It has been discovered by some Germans back in november, but was somewhat limited in use (QoS was required) (and it took about 15 minutes to crack the key).

Now, this limitation has been broken using mitm + a new algorithm to apply the technique.

Their findings can be downloaded from http://jwis2009.nsysu.edu.tw/location/paper/A%20Practical%20Message%20Falsification%20Attack%20on%20WPA.pdf

I guess it’s time to migrate to WPA2 (which has been supported on wi fi devices since 2006) AND never consider any wireless network as trusted… I always recommend using VPN on top of wireless networks, just to be safe & sure :-)

Other links :

http://www.net-security.org/secworld.php?id=7962

http://isc.sans.org/diary.html?storyid=7027&rss

2009, Corelan Team (corelanc0d3r). All rights reserved.

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