It is supposed to revolutionize the way electricity is delivered and managed. It has $4.5 billion targeted for it in the Obama economic stimulus package. However, the so-called smart grid, as it is being developed today, won’t be able to outsmart hackers looking to damage the U.S.’s utility infrastructure, according to a Seattle-based security firm. IOActive issued a report Monday claiming that technologies now being rolled out in several cities throughout the country “are susceptible to common security vulnerabilities,” the company said.