Internet of Things (IoT) is a technology that connects objects to a network or the Internet. By 2020, there will be more than 50 Billion Internet-connected devices that will transform the way we live and work. Smart cars, smart TVs, Refrigerators, Smart Dustbins and other embedded computing as well as non-computing devices. Cyber attacks on smart devices are becoming a reality. Smart cities around the world are becoming increasingly smarter and more connected to the Internet in an attempt to add convenience and ease to daily activities.
Source: https://thehackernews.com/2015/07/smart-city-cyber-attack.html