SMART home technology are connected by the Internet of Things, have inherent risks of security breaches. Hackers targeted unsecured devices that includes SMART home technology, and infected them with malicious code to form a botnet and carry out the attack. A study estimates that at least 15 percent of home routers are unsecured with weak or default passwords. There are over 13 billion interconnected digital and electronic devices across the world; the October 2016 DDoS attack showed that a small percentage of vulnerable devices can have a devastating impact. SMART home technology SMART home technology use devices connected to the Internet of things
Smart grid in China first commercially available electric vehicle charging station, the Caoxi Electrical Vehicle Charging Station. As of 2010, 76 electric vehicle charging stations have been built in 41 Chinese cities. Continued investment in electric car infrastructure reflects the country's goal of having 500,000 electric, hybrid and fuel-cell vehicles on the road by 2015 and 5 million by 2020. In September 2011, SGCC announced plans to invest $250 billion in electric power infrastructure upgrades over the next five years, of which $45 billion is earmarked for smart grid technologies. Another $240 billion between 2016 and 2020 will be added to complete the smart