Often, "we end up detecting it after it's happened," said Gershwin, the CIA's top adviser on science and technology issues. "I don't feel very good about our ability to anticipate."
Gershwin told the Joint Economic Committee that foreign governments are the most potent threat to U.S. computers for the next five to 10 years, rather than terrorists or lone troublemakers.
So far, he said, individual hackers don't have the skills or the motive to make a major attack against U.S. infrastructure like the telephone system or financial networks. And since terrorists want immediate and predictable results, they will stick with their current attacks for the foreseeable future.
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