Federal officials are advising e-commerce sites to tighten security because of a recent increase in cyberattacks. The FBI's National Infrastructure Protection Center (NIPC) on Friday said it recently has seen an increase in hacker activity targeting U.S. systems associated with e-commerce . . .
Federal officials are advising e-commerce sites to tighten security because of a recent increase in cyberattacks. The FBI's National Infrastructure Protection Center (NIPC) on Friday said it recently has seen an increase in hacker activity targeting U.S. systems associated with e-commerce and other websites. Most of the attacks have been on Windows NT systems, but Unix systems also have been hit.

Attackers are using three known system vulnerabilities to gain unauthorized access and download propriety information, according to the NIPC. Most of the attacks went on for several months before the victims became aware of them.

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