You do it. I do it. Everyone does it without thinking. You connect your phone to that “Free Public Wi-Fi” at the airport or coffee shop without a second glance, even if your phone warns you that it’s an “unsecure” network. Sometimes you are faced with a captive portal: one of those annoying pop-ups that asks you to sign in or accept the Terms & Conditions before you can connect. With just a few pieces of equipment, you can make your own “Free Public Wi-Fi” (or whatever you want to name it) with any page you could imagine as your captive portal. Hopefully, after seeing how easy it is to get this set up, you will be more cautious before entering credentials or personal data into a Wi-Fi network’s captive portal. Equipment Here’s the equipment I am using for this bad boy: Raspberry Pi Zero with an image of Raspbian....