Technitium MAC Address Changer is a must have tool in every security professionals tool box. This tool can set a new MAC address to your NIC, bypassing the original hard coded MAC address. This hard coded MAC address is used by windows drivers to access Ethernet Network (LAN). Every NIC has a MAC address hard coded in its circuit by the manufacturer. It has a very simple user interface and provides ample information regarding each NIC in the machine. Technitium MAC Address Changer allows you to change Media Access Control (MAC) Address of your Network Interface Card (NIC) irrespective to your NIC manufacturer or its driver.