Which Networks Are More Susceptible To Firesheep?

This advisory explains how session sniffing and session hijacking (illustrated by Firesheep) threaten users on insecure networks, compares the relative risks of open, WEP, WPA-PSK/WPA2-PSK and WPA-Enterprise wireless configurations, and outlines wired LAN vulnerabilities such as hubs, switch flooding and mirror/monitor ports; it concludes with the recommendation to use HTTPS or an SSL VPN to secure web sessions.