The captive portal economy: how hotel WiFi sign-in pages became both a security vector and a hidden ad channel

Last month I checked into a hotel for a conference. Open laptop. Click WiFi. Hotel network. The familiar splash screen appears: enter your room number, your last name, accept the terms. Standard. What’s no longer standard is what’s running behind that splash screen. The captive portal, that login page you see before you can actually […] This story continues at The Next Web