With the rapid adoption of Wi-Fi networks by enterprise IT departments everywhere, network security now involves an entirely new dimension of vulnerability to malicious hackers and casual intruders. Applications and data have literally taken to the airwaves, thanks to the compelling productivity and efficiencies gained by mobility tools such as notebook PCs, handhelds and Blackberries. Companies integrating Wi-Fi are also reaping lower IT infrastructure overhead from fewer cables, faster deployment/redeployment and reduced failure rates associated with hard-wired networks.

By David King at Broadband Wireless Exchange Magazine.

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