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Wireless LAN Security Threats and Countermeasures

Wireless networks are becoming increasingly popular, but they also introduce additional security risks. Wireless networks rely on radio waves rather than wires to connect computers to the Internet. A transmitter, known as a wireless access point or gateway, is wired into an Internet connection. This provides a "hotspot" that transmits the connectivity over radio waves. Hotspots have identifying information, including an item called an SSID (or service set identifier), which allow computers to locate them. (Continue)