Public WiFi security isn't the most exciting topic. But for freelancers, it is a critical issue. When you use public WiFi, you could be opening yourself up to data theft, identity fraud, and even stalking. And if you're working for corporate clients, your laptop could be the weak link in the chain; a way to spread viruses and malware that wreaks havoc for the entire company. Here's everything you need to know to ensure that your data, and your clients'