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80% of WiFi Networks are still Insecure, Kismet Author Says
acz writes "The brain and guts driving the development of Kismet is Mike Kershaw alias Dragorn, who works during the day on IBM mainframes and hacks code at night. Kismet is simply the best war driving tool out there plus it's free as in GPL and can even run on your linux PDA. In a recent interview posted on HERT today, he says: 'I've become entirely jaded towards security as a whole (or rather, people's complete lack of it) and not much surprises me when it comes to open wireless networks. ... the overall percentage of unencrypted networks is still at about 80%.'"
Everyone still seems to think WEP is easy to crack. It's not. On AP's 2+ years old new features have been implemented to dramatically reduce the amount of weak IV's given out. For fun, I tested our network here at work, where we have over 300 employee's and multiple access points. And yes, there are plenty of people actually using the wireless network. In 3 days I was only able to pick up 75 weak IV's in Kismet. You usually need in the range of 10,000+ to make a decent attempt at cracking WEP with current tools. Now, if you have the know how to use tools like wepwedgie, or know how to do packet injection using multiple 802.11b cards/devices with HostAP then you may have better luck. But chances are that if someone knows how to use these tools and has the time to do this, they can probably break your network some other way.