See Who’s Using Your WiFi Connection

Often wireless networks are, unfortunately, not adequately protected with a WEP or WPA key, and therefore anyone who is around your wi-fi network can browse advantage of your line and rallentandoti navigation to you. The advice to avoid this is to protect your wireless network, with a strong password, type this: = 16j (G, can be generated online from this site . Despite this attention, our wireless network is not yet completely safe to this regard, i recommend Zamzom wireless network Tool which detects all computers connected to the network and Mac and IP addresses. With zamzom your wireless network will be automatically scanned every 10 seconds