Free public Wi-Fi hotspots are terrific. They offer users quick and reliable Internet connections where cellular reception is spotty. And even in areas with strong cellular signals, users can connect their phones, tablets and laptops to public Wi-Fi hotspots in order to conserve data on their mobile plans and steer clear of those pesky data caps.
Of course, there is one problem with public Wi-Fi networks, and it's a big one: They're completely open, which means any data you send or receive while connected to these networks is vulnerable and can easily be stolen by hackers.
How to use free public Wi-Fi without hackers stealing your data