Mike Turner: “I think our over-classification and tendency to over-classify is still a little bit of the vestige of the Cold War…”

We need to be diligent.

One thing that we have to acknowledge is that our adversaries — Russia, China, North Korea, Iran — look at the critical infrastructure that support our civilian infrastructure, like water, ... as valid military targets

Critical infrastructure assets "need to be hardened"

We're certainly in a conflict where we would expect that they would continue that if they were doing to us before