The Defense Department is accelerating its adoption of a "zero trust" cybersecurity architecture, including through the potential creation of a new portfolio management office, as officials say recent hacking campaigns show U.S. adversaries are becoming more sophisticated in cyberspace. The recent SolarWinds Orion attack and the Microsoft Exchange compromise show "our adversaries are increasingly determined and resourceful when engaging in cyber crime and espionage," according to David McKeown, the deputy DOD chief information officer for cybersecurity. "Novel attacks against networks...
