From The Calgary Sun/AP:Ghost hackers infiltrating computers of Tibetan exiles and the U.S. electric grid have pulled the curtain back on 21st-century espionage as nefarious as anything from the Cold War -- and far more difficult to stop.
Nowadays, a hacker with a high-speed Internet connection, knowledge of computer security and some luck can pilfer information thought to be safely ensconced in a digital locker. And the threat is growing, with countries -- including the U.S. -- pointing fingers at each other even as they ramp up their own cyber espionage.
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