Chapter 9. Wireless Local Area Networks

Wireless LANs as part of an enterprise network are increasing in popularity. Users enjoy the freedom of being able to use a laptop anywhere in a building or on campus. It doesn’t hurt that a WLAN can be very cost effective. Of course, there are serious security issues associated with WLANs. The freedom that a WLAN provides users can also become an easy way for an attacker to gain access to an organization’s network. Attackers often target WLANs because, like routers, network administrators deploy them without considering the security implications. Even worse, a network user may deploy an unauthorized access point—sometimes called a rogue access point—without informing network administrators.

The generally ...

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