A widespread and unusually resilient computer attack that began July 4 knocked out the Web sites of several government agencies, including some that are responsible for fighting cyber crime, The Associated Press has learned. The Treasury Department, Secret Service, Federal Trade Commission and Transportation Department Web sites were all ...

Sears.com was inaccessible to U.S. shoppers for two hours on Friday in what was the most notable Web hiccup of the holiday gift-buying season's official start. Other sites, including Amazon.com Inc., experienced minor slowdowns, according to Shawn White, director of ...

A volatile week on Wall Street drew heavy traffic to financial Web sites, as investors hastened to check their portfolios or move money around in what was dubbed the worst financial meltdown since the Great Depression. Online brokerage Scottrade Inc. saw its highest-volume trading day ever on Thursday. The ...