In August 2015, the NSA and U.S. Cyber Command, the military's main cyber arm, were at a crossroads about how to respond to a new terrorist group that had burst on the scene with unrivaled ferocity and violence. The one thing on which everyone seemed to agree is that ISIS had found a way to do something other terrorist organizations had not: It had turned the Web into a weapon.
https://www.npr.org/2019/09/26/763545811/how-the-u-s-hacked-isis