Should the U.S. Expect an Iranian Cyberattack? By Sue Halpern

"In 2018, U.S. officials acknowledged that Iran had been probing the American power grid  and other critical infrastructure for the past few years, potentially laying the groundwork for a cyberattack.Cyber weapons enable Iranians to “do things in the domestic United States, that they can’t do with their other weapons, like cruise missiles, because they can reach out and touch.” )A study by researchers at the University of Cambridge Centre for Risk Studies and Lloyd’s of London found that, if hackers disabled sections of the power supply to fifteen states and the DC significant numbers of people would die as health and safety systems failed. They estimated the economic cost to be as much as a trillion dollars."