In an era of laptops, smartphones and mushrooming WiFi networks, we can get online nearly anywhere. But we often connect without considering the potential perils. Sensitive information you transmit over WiFi can be literally “sniffed” from the airwaves by a nearby snoop using readily available software and equipment. What’s more, hackers could trick you into connecting to their computer by making it appear to be a legitimate WiFi hotspot. Despite these risks, it’s relatively easy and inexpensive to surf safely. Here are three tips for securely using WiFi networks when you’re on-the-go, doing work in hotels, airports, cafés and other public places.