Tempted to connect to that elusive "Free Wi-Fi" hotspot? It's worth doing your homework before selecting any network that's open or not familiar to you. For example, if you're in a coffee shop or public library, make sure to verify the name of the network with staff or on signage before connecting.
It's pretty easy for someone who wants to intercept your data in a man-in-the-middle attack to set up a network called "Free Wi-Fi" or any other variation that includes a nearby venue name, to make you think it's a legitimate source