Best Buy closes wireless registers
I wasn't aware of the problem until MSNBC posted it yesterday but they posted:
May 1 - Think you are safe from the cryptic world of wireless computer hacking? Think again. Security researchers who study wireless networks have found another embarrassing information leak, this one involving well-known retail giants. Some stores use cash registers with wireless networks that beam data - including credit card numbers - to a central computer elsewhere in the store. But a hacker can sit in a store's parking lot and "listen in" to the data. Indeed, consumer electronics retailer Best Buy Co. shut off wireless cash registers at its stores Wednesday after being alerted to the potential problem, saying it was investigating the issue.