I share your distrust, but in this case, Wray is speaking truthfully.
Infrastructure systems are highly networked, and thus vulnerable. A lot of them use systems called SCADA. These systems enable remote operations without having human operators onsite. They used to be segregated networks. Some Haavaad Bidness School genius got the bright idea of linking the SCADA systems to corporate enterprises.
Look up STUXNET.
Yup, the same short sighted execs that have screwed up just about every other aspect of American business have done a horrible job implementing security for industrial automation - while at the same time purchasing mission critical systems from a probable enemy state who desires to use those systems against us in any potential conflict
I have been stunned at how lax even some of our most sophisticated defense contractors have become
If only there was at least one FReeper encouraging people to be more self-reliant. If only.
Yep. Admin-level passwords baked into the ethernet interfaces for one thing.