Wireless Security

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A wireless LAN (wireless network) is a network without wires. Wireless network's use radio frequencies as their transmission media, sending network traffic sailing over the air. It is a flexible data network system applied as an extension to, or as an alternative for a wired LAN.


For companies seeking to expand a computer network or make their employees more mobile, Bluetooth and Wi-Fi can provide a cost-effective way to maximize access to shared data and resources. Major technology companies are behind both standards, and the price and choice of products should only improve. By its nature, wireless access opens up the potential for wireless eavesdropping and data theft. (Johansson et al., 2007)Wi-Fi networks have to be carefully encrypted to prevent unauthorized use. For example, people committing fraud or dealing in illegal materials via the Internet would find advantages in hacking a Wi-Fi network for Internet access that couldn't be traced to the hacker. Meanwhile, hackers have been known to monitor Wi-Fi networks in order to steal financial data and account information.
The answer to Wi-Fi security may lie in "centralized" switches. Originally, Wi-Fi antennas were complex systems that might include networking and security in the same box with the antenna. This means that if a hacker could penetrate one box, entry might be gained to the entire network. (Broch et al., 2007) This is extremely difficult to monitor and prevent in a corporation's building-wide system that might contain hundreds of antennas. ...
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