The Next Cyber Battleground

“The digital infrastructure that serves this country is literally under attack,” Director of National Intelligence Dan Coats warned starkly last week. Most commentators took his declaration that “the warning lights are blinking red” as a reference to state-sponsored Russian hackers interfering in the upcoming midterm elections, as they did in the 2016 presidential election. But to focus on election interference may be to fight the last war, fixating on past attacks while missing the most acute vulnerabilities now. There’s reason to think that the real cyberthreat from Russia today is an attack on critical infrastructure in the United States—including