Once, a few years ago, someone managed to hack passwords for my Twitter and Facebook accounts while I was on a free WiFi network during a business trip. Since then, I generally use a virtual private network such as Hotspot Shield when I’m not on a secure network.

But there are other precautions you might want to use while on free WiFi. Here, from Veracode, is an infographic showing the dangers and some precautions for free WiFi networks.