Segmentation is the least sexy and underused means of protecting critical data. And with the advent of IoT and the potential of gazillions of vulnerable devices to pollute networks, well, a more agile means to segment should be on the top of every CISO's priority list. AND, because this TrustSec that Kevin speaks of so eloquently is ALREADY IN THE NETWORK which is probably why Cisco is seeing a torrent of TrustSec adoption.