It was another sign that NOBUS—the presumption that “nobody but us” had the sophistication to find and exploit zero-days—was an arrogant one. Not only that, it was obsolete. The NSA’s advantage had hugely eroded over the last decade—not just because of Snowden and the Shadow Brokers and what had been learned from Stuxnet, but because we had grossly underestimated our enemies.
