SolarWinds hack: What we must do to avoid the next attack

Americans awoke to a horrific tragedy on Sept. 11, 2001. Afterward, we discovered that we had had multiple pieces of intelligence that might have prevented it. The Markle Foundation, a technology- and security-focused foundation of which I’m a director, and the 9/11 Commission both concluded that our nation must move from the classic paradigm of “need to know” to a new paradigm of “need to share,” in order to prevent future attacks.