Wireless network snoops tend to be curious and not malicious. In fact, most people who access your Wi-Fi network are just looking to borrow an Internet connection, perhaps to check their email (see Figure 6.2).
Figure 6.2. You can be sitting at home surfing HotorNot.com and a stranger in a car outside can be accessing your network with his wireless laptop.
That said, there are still real dangers to leaving your Wi-Fi network unprotected because a network snoop can also do the following: