"A wireless network that employed less protection than many people use on their home systems appears to be the weak link that led TJX Companies, the US-based retailing empire, to preside over the world's biggest known theft of credit-card numbers.
Despite a market capitalization of almost $13bn, it appears the company couldn't afford to secure its Wi-Fi network with anything more robust than the woefully inadequate Wired Equivalent Privacy protocol.
According to a front-page article in today's Wall Street Journal, the nonfeasance allowed hackers to use a simple telescope-shaped antenna and a laptop to intercept data flowing through a Wi-Fi network used at a Marshalls discount clothing store near St. Paul, Minnesota."
clipped from www.cgisecurity.com
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