A widespread and unusually resilient computer attack that began July 4 knocked out the websites of several government agencies, including some that are responsible for fighting cyber crime, The Associated Press has reported.
The Treasury Department, Secret Service, Federal Trade Commission and Transportation Department sites were all down at varying points over the holiday weekend and into this week, according to officials inside and outside the government. Some of the sites were still experiencing problems on the evening of July 7.
Federal government officials refused to publicly discuss any details of the cyber attack, and would only generally acknowledge that it occurred. It was not clear whether other government sites also were attacked.
Others familiar with the outage, which is called a denial of service attack, said that the fact that the government sites were still being affected three days after it began signaled an unusually lengthy and sophisticated attack.
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