Mau irmão gémeo no wi-fi

"With the rise in popularity of WiFi-enabled mobile computing devices and publicly accessible access points, a new kind of WiFi security threat is beginning to emerge. Security researchers are beginning to note increasing instances of so-called "evil twin" attacks, in which a malicious user sets up an open WiFi network and monitors traffic in order to intercept private data."

Artigo completo em Ars Technica