In Miami, hackers are obtaining cardholder information on tens of thousands of customers through wireless networks in stores. The New York Timesreports that thieves are singling out merchants with strong wirelesssignals and weakly protected data using a laptop computer enabled witha wireless networking receiver. The culprits robbed these stores of customerinformation for more than a month. After security upgrades wereannounced, or investigators showed up on the scene, the cyber-criminalsjust moved on to the next store \u2013 already staked out. Investigatorspoint out that data security is not just the responsibility of majorbanks and corporations, but it also belongs to retail merchants. Read more.