Thanks to the folks at HSDL for this description of the new CRS report and a link to the full text. See: Physical Security of the U.S. Power Grid: High-Voltage Transformer Substations [June 17, 2014]

The report was mentioned in the Wall St. Journal today. The lead in said two research groups claim the industry’s efforts at protection are insufficient. But I do not have a subscription and cannot provide any more details.