Cyber-terrorist attack on U.S. electrical grid could be "gravest short term threat" to national security

Cyber-terrorists could target the U.S. electrical grid and throw the nation into chaos, lawmakers warned at a hearing of the House Energy and Commerce Subcommittee. There are "many PhDs" inside Al Qaeda, and cyber-spies have already infiltrated the electricity system. »6/01/11 11:30am6/01/11 11:30am