If you have a router and use WPS you may want to go into your routers GUI to disable WPS for now until your router manufacturer (if on the list) provides a firmware update.
A design flaw that exists in the WPS specification for the PIN authentication significantly reduces the time required to brute force the entire PIN because it allows an attacker to know when the first half of the 8 digit PIN is correct.
The lack of a proper lock out policy after a certain number of failed attempts to guess the PIN on some wireless routers makes this brute force attack that much more feasible.
More info and router manufactures affected are at the source.
Source:
US-Cert
January 10th, 2012
WPS Vulnerability
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