TAILIEUCHUNG - Wireless Network Security: An Overview

Security vendors strive to provide new and innovative products and services that allow customers to rapidly deploy and provide optimal protection against today's continually evolving and sophisticated threat ecosystem. Despite these ongoing efforts, traditional security solutions and approaches by themselves sometimes fall short in protecting enterprises against many of today's complex and zero-day attack forms. The reality is that due to existing unknown security gaps and vulnerabilities, current enterprise infrastructure security is not 100%. To assist enterprise IT and security professionals in closing the gaps, security vendors have successfully innovated security solutions that close the window of vulnerability to. | Wireless Network Security An Overview Danda B. Rawat Eastern Kentucky University USA Gongjun Yan Indiana University Kokomo USA Bhed Bahadur Bista Iwate Prefectural University Japan Vigs Chandra Eastern Kentucky University USA ABSTRACT With the rapid development and successful deployment of wireless technologies and applications wireless networks have been a part of day-to-day businesses. Securing available resources on any personal corporate or academic data network is of vital importance. As wireless signal is freely available in the air in wireless communications wireless security is a major concern. Generally wireless networks consist of voice communication networks such as wireless cellular telephone networks and data centric wireless networks such as WiMAX and wireless Local Area Networks LAN . Moreover cell phones are not only used for voice communications but also for data communications such as access the Internet and text messaging. Similarly in addition to data communicating in wireless LAN voice over Wi-Fi is also being popular. Therefore it is essential to provide secure communication medium for the users in all wireless networks from all perspectives. This chapter presents an overview of security issues along with the fundamental concepts related to wireless networks such as cellular wireless network wirelesses LAN wireless Personal Area Network PAN WiMAX Worldwide Interoperability for Microwave Access ZigBee and so on. With this chapter readers can have a more thorough understanding of wireless security techniques issues trends and best practices in different wireless networks. 1. Introduction Wireless communications is the fastest growing segment of communication industry. Wireless technologies and applications have been widely deployed in various areas. Successful deployment of wireless local area network LAN in unlicensed ISM band and cellular wireless telephone networks in licensed band in the past decades have shown the wide spread use of .

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