Intercepting mobile communications: the insecurity of 802.11
Proceedings of the 7th annual international conference on Mobile computing and networking
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Enterprises are extending their wired LAN infrastructure to support wireless connectivity, using radio standards such as IEEE 802.11b, Bluetooth, HiperLAN, and other emerging technologies. Wireless LANs give mobile users "anywhere, anytime" access to the LAN, and wireless connectivity offers lower installation and maintenance costs compared with traditional wired network infrastructure. However, to play a mission-critical role within the enterprise, wireless LANs must satisfy the security, manageability, interoperability, simplicity, seamless mobility, and application needs of network managers and end users.In this chapter, we discuss the limitations of the wireless LAN standards as implemented within access points and client adapters. To bring security, manageability, usability, and performance to the wireless LAN, enterprises require additional network infrastructure. Borrowing from the design of cellular network infrastructure, the wireless LAN system creates a corporate-wide "Mobile Domain," a secure environment for mobile users within which they can access the information and resources they need to be more productive.