While Wi-Fi is hot, security is not. Even the makers of Wi-Fi routers, access points and other gadgets privately say that as many as 80 percent of home users don't bother to enable basic encryption or other protections against connection theft, eavesdropping and network invasion.

Experts say that while Wi-Fi hardware makers have made initial setup easy, the enabling of security is anything but. Meanwhile, average users are no longer tech savvy. The gadgets are mainstream, appearing on the shelves of Wal-Mart and other mass retailers.

Read more: Wired.