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In IEEE 802.11 networks, the Service Set Identifier (SSID) is viewed by some security professionals as an unneeded advertisement of the wireless network to attackers and these professionals assert that all measures should be taken to hide the SSID. But this advertisement is the essential role that SSIDs are designed to play. The broadcast of the SSID improves the performance of a wireless network and the SSID cannot be hidden without degrading proper WLAN operations. Finally, efforts to hide the SSID are at best half-measures which lead to a false sense of security and to a degradation of wireless network performance, particularly in a roaming situation.”

Like most advances, wireless LANs and WWANs pose both opportunities and risks. The technology can represent a powerful complement to an enterprise’s networking capabilities, enabling increased employee productivity and reducing IT costs. To minimize the attendant risks, IT administrators can implement a range of measures, including establishment of wireless security policies and practices, as well as implementation of various LAN and WAN design and implementation measures. Finally, achieving this balance of opportunity and risk allows enterprises to confidently implement wireless LANs and realize the benefits this increasingly viable technology offers.