Beware the rogue AP in Windows 7
Beware the rogue AP in Windows 7: "Windows 7 contains a SoftAP feature, also called 'virtual Wi-Fi,' that allows a PC to function both as a Wi-Fi client and an access point to which other Wi-Fi-capable devices can connect. It's handy when users want to share music/play interactive games but can allow intruders onto a laptop and corporate network unnoticed"