Intel has confirmed the existence of flaws in its Centrino's wireless technology that could be exploited by malicious hackers to spread code wirelessly between laptops.

Full story at http://www.vnunet.com/vnunet/news/2161539/...its-centrino-wi

Intel have a tool to identify your Centrino® wireless adapter at

http://support.intel.com/support/wireless/...b/cs-005905.htm

You can then check if your impacted at http://support.intel.com/support/wireless/...b/CS-023068.htm

The Intel fixes are generic so the advice from Intel is to check with your laptop vendor for vendor-specific information and fixes.