Should the U.S. Government Fight Back When Businesses Are Cyberattacked?

Keith Alexander of the venture-backed cybersecurity start-up IronNet is unequivocal in his belief that private companies protecting themselves from nation-state threats is not working. “I flipped through this before you arrived,” he told us, dropping a pocket copy of the Constitution on the table. “It still says that the purpose of the Union is to provide for the common defense. There is no parenthetical that says ‘except in cyberspace.’” …