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What to watch out for with WiFi

Wi-Fi networks use short-range radio frequencies to communicate between devices, eliminating the necessity for running cable. While operating without wires is an advantage, users and IT personnel need to be aware that Wi-Fi networks do not recognize walls as barriers. The challenge is that Wi-Fi networks extend outside of approved areas, leaving users with leaky Wi-Fi and in the position where someone else's Wi-Fi network may be present and beckoning.

Wi-Fi technology creates many opportunities for malicious hackers to compromise systems and gain access to private data. In addition, the most common safeguards to securing 802.11 wireless LANs -- authentication, encryption and virtual private networks (VPN) -- are insufficient. What to watch out for with Wi-Fi - Computerworld

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