David E. Sanger, The New York Times, December 23, 2014

For years now, the Obama administration has warned of the risks of a “cyber-Pearl Harbor,” a nightmare attack that takes out America’s power grids and cellphone networks and looks like the opening battle in a full-scale digital war. But over the past week, a far more immediate scenario has come into focus: a shadow war of nearly constant, low-level digital conflict, somewhere in the netherworld between what President Obama called “cybervandalism” and what others might call digital terrorism. […read more]