Using WiFi hotspots while traveling is a calculated risk. It's relatively easy for black hats to capture personal information, add malware and cause mischief during your visits to unfamiliar networks. Here's an article that lists steps you can take to improve security of your Windows machine while traveling.
http://www.umpcportal.com/2015/02/t...-for-better-on-the-road-security-and-privacy/
http://www.umpcportal.com/2015/02/t...-for-better-on-the-road-security-and-privacy/