At home, you can pretty much trust your own Wi-Fi network, and you kind of have to trust your cellular provider. But as soon as you fetch up at a hotel, airport, Airbnb rental or coffee shop, you risk everything.
Short of leaving your MacBook or iPhone out on the table while you visit the bathroom at a hacker conference, using public Wi-Fi is just about the worst thing you can do with your devices when you travel. Fortunately, there are ways to protect yourself — and they’re cheap and easy.