"The spies came from China, Russia and other countries, these
officials said, and were believed to be on a mission to navigate
the U.S. electrical system and its controls. The intruders haven't
sought to damage the power grid or other key infrastructure, but
officials warned they could try during a crisis or war.
""The Chinese have attempted to map our infrastructure, such as
the electrical grid," said a senior intelligence official. "So have
"The espionage appeared pervasive across the U.S. and doesn't
target a particular company or region, said a former Department of
Homeland Security official. "There are intrusions, and they are
growing," the former official said, referring to electrical
systems. "There were a lot last year.
""Many of the intrusions were detected not by the companies in
charge of the infrastructure but by U.S. intelligence agencies,
officials said. Intelligence officials worry about cyber attackers
taking control of electrical facilities, a nuclear power plant or
financial networks via the Internet."