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Understanding risks of wireless LANs. Selecting wireless LAN hacking tools. Hacking against wireless LANs. Minimizing wireless network security risks ...

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Wireless LANsPage 1Chapter 10Wireless LANsIn This ChapterUnderstanding risks of wireless LANsSelecting wireless LAN hacking toolsHacking against wireless LANsMinimizing wireless network security risksWireless local area networks (WLANs) specifically the ones based onthe IEEE 802.11 standard are increasingly being deployed into bothbusiness and home networks. Next to instant messaging and personal videorecorders WLANs are the neatest technology Ive used in quite a while. Ofcourse with any new technology come security issues and WLANs are noexception. In fact the 802.11b wireless technology has been the poster childfor weak security and network hack attacks for several years running.WLANs offer a ton of business value from convenience to reduced networkdeployment time. Whether your organization allows wireless network accessor not testing for WLAN security vulnerabilities is critical. In this chapter Icover some common wireless network security vulnerabilities that you shouldtest for. And I discuss some cheap and easy countermeasures you can implement to help ensure that WLANs are not more of a risk to your organizationthan theyre worth.Understanding the Implications ofWireless Network VulnerabilitiesWLANs are very susceptible to hacker attacks even more so than wirednetworks are (discussed in Chapter 9). They have vulnerabilities that canallow a hacker to bring your network to its knees and allow your informationto be gleaned right out of thin air. If a hacker comprises your WLAN you canexperience the following problems:15 55784x Ch10.qxd 3/29/04 4:14 PM Page 147Page 2Loss of network access including email Web and other services thatcan cause business downtimeLoss of confidential information including passwords customer dataintellectual property and moreLegal liabilities associated with unauthorized usersMost of the wireless vulnerabilities are in the 802.11 protocol and within wireless access points (APs) the central hublike devices that allow wirelessclients ...

Source: searchsecurity.techtarget.com

 

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