WPA-PSK Passwords Could Be Cracked in 20 Minutes

Posted By Keith Dsouza On December 13, 2009 @ 3:20 pm In Online Security | No Comments

In our earlier posts for demystifying Wi-Fi [1] we had told you about encryptions used by Wi-Fi [2]. In that WPA encryption was supposedly one of the most secure encryptions you could use to protect your Wi-Fi connection. However, it looks like for $17 it would take 20-40 minutes to crack WPA encryption on any Wi-Fi.

The site in question WPA Cracker [3] has put up a introduction which states this.

WPA Cracker is a cloud cracking service for penetration testers and network auditors who need to check the security of WPA-PSK protected wireless networks.

WPA-PSK networks are vulnerable to dictionary attacks, but running a respectable-sized dictionary over a WPA network handshake can take days or weeks. WPA Cracker gives you access to a 400CPU cluster that will run your network capture against a 135 million word dictionary created specifically for WPA passwords. While this job would take over 5 days on a contemporary dual-core PC, on our cluster it takes an average of 20 minutes, for only $17.

The service was launched by a very well known security researches Moxie Marlinspike, who was obviously unhappy that cracking WPA-SPK passwords took a few days or weeks in general. The main purpose of the site is to quickly establish whether a Wi-Fi network’s password is crackable or not. A regular PC with a dual-core processor would take more than 5 days to run more than 135 million possible combinations or dictionary attacks to crack the WPA-PSK password.

WPA Cracker is mainly aimed at businesses who want to verify whether their network is vulnerable to dictionary attacks or not. With a 400 CPU cluster it becomes much more quicker and easier to understand the security of a Wi-Fi network and apply changes before they are actually compromised.

Rest aside, cracking a Wi-Fi network could produce a goldmine of information. And it is better to have a strong password [4] rather than getting compromised.

[Tech World News [5] via Techno Friends [6]]


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URL to article: http://techie-buzz.com/online-security/wpa-psk-passwords-could-be-cracked-in-20-minutes.html

URLs in this post:

[1] demystifying Wi-Fi: http://techie-buzz.com/tutorials/wifi-demystified-part-i.html

[2] encryptions used by Wi-Fi: http://techie-buzz.com/tutorials/wifi-demystified-part-ii.html

[3] WPA Cracker: http://www.wpacracker.com/

[4] strong password: http://techie-buzz.com/featured/create-strong-passwords-and-recover-hacked-accounts.html

[5] Tech World News: http://news.techworld.com/security/3208347/new-cloud-hacking-service-steals-wi-fi-passwords/

[6] Techno Friends: http://technofriends.in/2009/12/14/wpa-cracker-can-crack-wpa-psk-passwords-in-just-20-minutes/

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