In the present era our lives are being dependent on computers and different types of electronic devices that provides us the opportunity to communicate, entertain, and in every aspect of our life. The extensive growth in wireless networks over the last few years look a lot like the rapid growth of the Internet within the last decade. During the early stage of maturity of internet; organizations and individuals communicate to each other without any fear for the security of their computer and networks. By the time it becomes necessary to prevent the computer systems and the networks from the external penetration or threat by implementing security features. As far as internal protection is concerned, organizations usually purchased and installed Internet Firewalls to protect the systems and networks from threats. WiMAX is also one of the wireless networking technology that offer us a bundles of services for example; to use the internet without any wires or cables or to connect to your office or home network from anywhere with in 30 miles or 50 kilometres radius. It's provides us the variety of services with the aspect of mobility, high bandwidth and data rates as compare to any other technologies available in the market.



The major advantage of this technology is that we can get broadband access to the remote areas around different geographical locations. But at the same time, WiMAX is hard to launch in developed areas with high rise building and other barriers that make WiMAX signals to drop down to its very low level. According to the research WiMAX tacking over the world gradually because of its own wireless services as compare to earlier WiFi technology.