You might be using a laptop computer for home and business purposes. You may even have set up your own wireless network at home with routers, signal boosters and repeaters to reach all the rooms in your home. Did you know using WiFi and home networks creates some unique security and privacy risks? Here’s how to protect yourself from identity thieves, “freebooters” who steal your home wireless network signal, or hackers looking to attack your machine in the relative tranquility of a WiFi hotspot at the airport coffee shop.