My most immediate concern is how they would disrupt our ability to command and control, but any disruption to the power grid, or anything like that which would stop us from being able to operate in the environment that we are in would also be of interest. Certainly those tools are being explored as possibilities by those countries. They certainly talk about it as part of the doctrine of how they would use cybertools.
On March 27th, 2014. See this statement in context.