Senator Wants Answers About Threat of Hackers at Nuclear Plants

On the heels of reports of foreign hackers trying to access computer networks at U.S. nuclear power plants, Massachusetts Sen. Edward Markey wrote a letter to five federal agencies demanding more information about the attacks. Specifically, the top Democrat on the International Cybersecurity Police subcommittee raised concerns with the heads of the Department of Defense, Department of Energy, Department of Homeland Security, Federal Bureau of Investigation and the Nuclear Regulatory Commission about how the US is defending its nuclear power plants from foreign attacks and threats.