Laura Hobson, Co-Founder & COO, YoursGlobal · · 5 min read
You land at the airport and need Wi-Fi immediately. You see “AirportFreeWiFi” in the network list, connect, and log in with your email. Thirty seconds later, you are checking your boarding pass, reading work emails, and sending a message to the person meeting you.
You may also be exposing unencrypted information to someone sitting two gates away.
An evil twin attack uses a fake Wi-Fi network with a name identical or nearly identical to the legitimate one. The equipment is inexpensive, and the attacker can boost the signal so the fake network appears stronger. Your device sees two familiar options and may connect to the one with the better signal.
You have no idea you are on the fake network.
Modern encryption helps, but metadata, unencrypted connections, and follow-up attacks remain possible.
YourSweep’s Wi-Fi detection helps you assess network legitimacy and alerts you to suspicious networks before you connect. The result gives you another reason to confirm the network with staff or use cellular data instead.
For travelers who connect from coworking spaces, hostels, hotels, and cafés, that check is useful infrastructure.
Experienced travelers check the Wi-Fi before they connect. They verify the network name, confirm it with staff, and never assume that the strongest signal is the legitimate one. Newer travelers may skip the step because it feels paranoid. It is not. It is necessary.
Laura Hobson, Co-Founder & COO, YoursGlobal