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Is Your Wireless Network at Risk?
Posted by : Rohit Mehra
There's something in the air, but how do you keep it out of yourwireless network? Do you even know what it is? It could be something asharmless as interference from a neighboring wireless LAN, or it could besomething as dangerous as a war-driving attack. Can you tell thedifference?
With the arrival of new wireless encryption protocols, such as WPA and802.11i, network managers are worrying less about security and moreabout other issues like capacity, coverage, and radio interference.Unfortunately, this shifting focus is putting their companies at risk.
WLAN growth is clearly driven by the fact that security has indeedimproved. The nightmare era of WEP is over, but enterprises are stilladdressing WLANs as if they were simply LAN extensions. They are not,and security policies must evolve to reflect that.
In a large enterprise, even wired LANs are no longer protected bytraditional security methods. Users with laptops leave the enterpriseand take those laptops with them as they travel, connecting at home, inhotels, at conferences, at customer sites, and in airportlounges--before returning to the corporate network and bringing withthem any viruses or worms they may have picked up outside.
Traditional perimeter security solutions enforce a boundary between thetrusted internal network and the untrusted public one. However, thepublic network with its viruses, Trojans, and worms can enter thenetwork through the backdoor, ushered in by a "tr...
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