At this point, just about everyone is familiar with connecting their cell phone, laptop or tablet to a wireless network. Wireless networks are created by connecting an Internet access point, like a modem, to a wireless router, which then sends a signal through the air to a Wi-Fi enabled device. However, if you don’t know how to secure your wireless network, you may find out the hard way how easy it is for hackers to use it to launch malicious attacks on your computer.