WASHINGTON (Reuters) - Cyberspace is the battlefield of the future, with attackers already going after banks and other financial institutions and developing the ability to strike U.S. power grids and government systems, Defense Secretary Leon Panetta said on Friday. "We confront a whole new threat of warfare in (cyberspace). ... This is an area we've got to pay close attention to. This is the battlefront of the future," he told a business group in Norfolk, Virginia, a city at the center of one of the largest concentrations of military power in the United States. ...

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WASHINGTON (Reuters) - Two years after the Stuxnet computer worm attacked its nuclear program, Iran is increasingly turning to cyber warfare itself in a growing, stealthy confrontation with its enemies. While the immediate threat of an Israeli military strike on its nuclear facilities has eased for now, Tehran's rulers are under increasing pressure from crippling sanctions, a collapsing currency and rising popular discontent. With all sides apparently keen to avoid an outright conflict, deniable cyber attacks seemingly offer one of the easiest ways of fighting back without risking too much. ...

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The White House and industry groups Wednesday unveiled new initiatives to combat so-called "botnets," or networks of computers controlled by hackers through virus infections.

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