AI can help defend America's critical infrastructure as fast as attackers now operate. Much of the equipment running power grids, water systems, and other essential services is decades old. Some of it can't be patched without risking an outage. a16z's Anne Neuberger proposes a public-private defense plan focused on the few hundred operators and shared vendors whose failure could cascade nationally, across power, banking and payments, water, communications, and hospitals. Super Intelligence-Era Critical Infrastructure Cyber Defense Plan: http://a16z.news/p/super-intelligence-era-critical-infrastructure