As Russians hack the US grid, a look at what's needed to protect it
- Written by Manimaran Govindarasu, Professor of Electrical and Computer Engineering, Iowa State University

The U.S. electricity grid is hard to defend because of its enormous size and heavy dependency on digital communication and computerized control software. The number of potential targets is growing as “internet of things” devices,...
Read more: As Russians hack the US grid, a look at what's needed to protect it