Three Top Cybersecurity Officials at FBI to Retire, More Departures Expected

Three of the top cybersecurity officials at the Federal Bureau of Investigation are retiring from government service, according to people familiar with the matter -- departures that come as cyberattacks are a major concern for the country’s security agencies. Senior U.S. intelligence officials warn that the country is at a “critical point” facing unprecedented cyberthreats, including Russia’s ongoing attacks on the American political system.