Hitachi is to bring a WLAN-based positioning system to market in Japan next month. The rig uses Wi-Fi technology to triangulate the location of network clients to within one and three metres – accurate enough to detect whether a user is within the building the network serves.
Essentially, the system can be used to pinpoint the physical location of network clients. If the triangulation process shows a user is situated outside a company’s premises, there’s a good chance that he or she is not authorised to access the network.
Better WLAN security should keep out most network intruders, but those who have received accurate log on and access information will be able to bypass such measures. Hitachi’s system provides one way to verify that the user is accessing the network from within the building. Continue >>