are they now putting into position sort of cyber protection that do not create 15 single point of failure. you want a notification system to ensure this does not happen again. it's not good it happened. we have vulnerable infrastructure, but we got to learn like this because every city is going to be facing stuff like this. >> go ahead, bill. >> just tackling on what she said, there's a piece of this is awareness. the first piece is when americans talk about infrastructure, they think bridges, roads, dams, and i think in the next year as the congress considers whether they -- we should have an infrastructure build, one of the basic questions is antiquated cyber protection, not just in dallas, but in my world of national security, you got to know that countries, north korea, iran, et cetera, are looking at cyber vulnerabilities in the united states saying in the event of war, cyber will become an instrument of war.