7
Wireless Local Area Network Security
Dorothy Stanley, Joshua Wrighta
The specification and broad adoption of strong AES-based encryption and data
authentication and strong end user authentication in IEEE 802.11 Wireless Local Area
Network (WLAN) systems provide strong link layer security. Since the wireless link for
data traffic is secure, standards work now turns to the protection of management frames
and implementers look to deploy intrusion detection tools, while attackers look for
implementation-flaw based attacks, such as ???fuzzing???. This chapter discusses the topics of
WLAN link security, key management, end user authentication, standards, wireless driver
vulnerability attacks and wireless intrusion detection techniques.
7.1 Introduction
The level of required security in a system changes over time, as technology and export
regulations change and as the processing capabilities of both valid users and potential
attackers increase. One static aspect, however, is the need for end users to adhere to
recommended security practices, such as keeping up-to-date virus software and intrusion
detection software on their laptops or client devices.
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