How to See What Web Sites Your Computer Is Secretly Connecting To

Your PC makes lots of Internet connections in a day’s business, and not all of them are necessarily sites you’re aware connections are happening with. While some of these connections are harmless, there is always a chance that you have some malware, spyware, or adware using your Internet connection in the background without your knowledge. Here’s how to see what’s going on under the hood.
by Lori Kaufman via How-To Geek