During the opening ceremonies of the 2018 Winter Olympics, held in PyeongChang, South Korea, Russian hackers launched a cyberattack that disrupted television and internet systems at the games. The incident was resolved quickly, but because Russia used North Korean IP addresses for the attack, the source of the disruption was unclear in the event’s immediate aftermath. There is a lesson in that attack, and others like it, at a time when hostilities between countries increasingly occur online. In contrast to conventional national security thinking, such skirmishes call for a new…
