As more organisations turn to wireless networks -- more convenient and sometimes cheaper than conventional wired networks -- to share computer data among employees,they are putting themselves at greater risk of inadvertently sharing it with outsiders too.

• 无线网络比传统的有线网络方便省钱，然而随着越来越多的机构采用无线网络让员工共享电脑资料，无意中也加大了与外来者分享资料的危险。