Technitium MAC Address Changer allows you to change Machine Access Control (MAC) Address of your Network Interface Card (NIC) irrespective to your NIC manufacturer or its driver. It has a very simple user interface and provides ample of information regarding each NIC in the machine. Every NIC has an MAC address hard coded in its circuit by its manufacturer. This hard coded MAC address is used by windows drivers to access Ethernet Networks (LAN). This tool can set a new MAC address to your NIC, bypassing the original hard coded MAC address. Technitium MAC Address Changer v3.1 is a must tool in every security professionals tool box. Technitium MAC Address Changer v3.1 is coded in Visual Basic 6.0.