What's that unknown person with the laptop sitting on a bench outside your office doing? If you're running an 802.11-based wireless LAN, that person could be watching your employees' every online move.. . .
What's that unknown person with the laptop sitting on a bench outside your office doing? If you're running an 802.11-based wireless LAN, that person could be watching your employees' every online move.

Guardent, a consulting firm that develops technology for assessing companies' network vulnerabilities, recently took Network World on a "tour" through Cambridge, Mass., to show just how much unprotected wireless LAN traffic is floating among the airwaves. Standing along one of the city's major thoroughfares, consultant Jamie Fullerton used an IBM ThinkPad equipped with a standard wireless network interface card and proprietary software written by Guardent to peer into the wireless world.

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