New rules will add restrictions for the use, storage and domestic transport of nuclear materials that terrorists could potentially use to build a dirty bomb.

 A ring, which included former Duke Energy employees, made nearly a half-million dollars from selling copper wiring stolen from the utility.

A security test was being widely circulated among security officers at the Y-12 Nuclear Facility in Tennessee, where it was used as a study aid instead of a secret exam.

A  new White House executive order would direct U.S. spy agencies to share the latest intelligence about cyberthreats.

The 2012 Security 500 Report will be released on November 1, 2012.

DHS warns of vulnerabilities in a computerized control system for solar arrays that generate electricity in homes and businesses.

The U.S. is facing a dramatically increasing threat from cyber attacks.

After Greenpeace activists broke into two Swedish nuclear power plants, the Swedish Environment Minister says it is clear that the plants' external security did not function. 

The new Office of Energy Infrastructure Security will provide leadership, expertise and assistance to the Commission to help identify solutions to potential cyber-risks. 

The proposed regulations would create clear, yet voluntary, cyber security guidelines for critical infrastructure such as water and power.