5 things you should know about wireless security

In the beginning, there was WEP. And WEP was no good. It quickly became apparent Wired Equivalent Privacy, the original encryption protocol for wireless networks, could be broken very easily with simple tools.

Today, says Chris Kozup, senior manager of mobility solutions for Cisco Systems Inc. in San Jose, Calif., there are known techniques for breaking WEP encryption in less than a minute. “There should be no doubt that WEP as a protocol is flawed,” he says.

So network security experts created Wi-Fi Protected Access (WPA). Then everything was good. Or was it?

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