How safe is your smart house?

With the Philips Hue smart bulb, homeowners can control their interior lights from an app on their phone. (Photo courtesy of Philips Hue)

It's called the "Internet of Things." And it's made up of smart devices that allow homeowners to control a light switch or thermostat, lock doors and close the garage, and watch surveillance feeds of their home with a smartphone or tablet. 

But as the Internet of Things expands, and our wireless world impacts more moving parts in the real world, homeowners and industry experts continue to question the security and reliability of smart home technology.