How far do we need to go in protecting electric power assets?
For background, see the article: Protect the Grid from Physical Attack? How?
Until recently the power U.S. power industry has pretty much ignored the vulnerability of the grid to physical attack. That’s changing as the creaky wheels of regulation and legislation begin to crank out directives. But the questions remain, how much danger are we in and how far do we need to go in protecting electric power assets?