Public infrastructure refers to whatever is critical to keep society functioning, from utilities and water to hospitals, transportation and public safety. Devastating attacks on U.S. public infrastructure are just a matter of “when,” according to a special feature on cyberwar and the future of cybersecurity. Cyberattacks have already impacted public infrastructure in other countries and it’s only a matter of time until a similar attack results in a major catastrophe disrupting crucial services in the United States, according to IoT security experts. See more here.