Former DOE security engineer @asynchronous_x explains why America's critical infrastructure hasn't been attacked more often despite its networks being riddled with security holes: "The work I used to do for the Department of Energy was around critical infrastructure. They’ve relied on obscurity, you don’t know that they’re there, so why would anyone attack us. As soon as you took any sort of magnifying glass to their networks, they were usually riddled with holes." "The reason they haven’t…