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Security chip that does encryption in PCs hacked


Deep inside millions of computers is a digital Fort Knox, a special chip with the locks to highly guarded secrets, including classified government reports and confidential business plans. Now a former U.S. Army computer-security specialist has devised a way to break those locks, the Associated Press reports.

The attack can force heavily secured computers to spill documents that likely were presumed to be safe. This discovery shows one way that spies and other richly financed attackers can acquire military and trade secrets, and comes as worries about state-sponsored computer espionage intensify, underscored by recent hacking attacks on Google Inc.

The new attack discovered by Christopher Tarnovsky is difficult to pull off, partly because it requires physical access to a computer. But laptops and smart phones get lost and stolen all the time. And the data that the most dangerous computer criminals would seek likely would be worth the expense of an elaborate espionage operation.

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