The aim of this report is to analyze LAN System and Security Solution. The basic forms of WLAN to provide a wireless network Infrastructure criteria to the wired Ethernet or radio wave networks in use. In this present moment this system still currently engage very rapidly towards offering fast connection effectively within larger areas. The major discussion of this report is to explain the productivity, convenience and cost advantage that WLAN offers, the radio waves used in wireless networks create a risk where the network can be hacked.