Bloodsuckers swarm the Internet too, and three in particular bite networkers again and again: wireless vulnerabilities, Denial of Service (DoS) attacks, and worms. These threats persist for several reasons, including an abundance of automated attack tools, egregious technology failures, and sometimes . . .
Bloodsuckers swarm the Internet too, and three in particular bite networkers again and again: wireless vulnerabilities, Denial of Service (DoS) attacks, and worms. These threats persist for several reasons, including an abundance of automated attack tools, egregious technology failures, and sometimes sloppy security administration. This article explores the origins of these attacks, discusses the reasons they are so prevalent, and highlights steps that administrators can take to avoid getting stung.

Wireless LANs based on the 802.11b standard (2.4GHz operation with speeds of 11Mbits/sec) have been making inroads to corporate networks for three reasons: they're cheaper to install than cabling, they're easy to set up, and they let workers stay connected to the network as they roam from office to conference room and even outdoors. According to a Gartner Group (https://www.gartner.com/en) survey, 50 percent of respondents will have a wireless access point touching their corporate networks by the end of 2001.

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