Authorities Investigating Attack on Lieberman's Website

U.S. Sen. Joe Lieberman's campaign Web site remained offline, and federal and state authorities were investigating why it crashed on the eve of this week's defeat in a high-profile primary. The site, Joe2006.com, appeared to have suffered from a so-called "denial of service" attack, in which computers overwhelm a site with fake traffic, preventing real visitors from getting through or, in this case, causing it to crash, said Richard M. Smith, an Internet security consultant in Brookline, Mass.

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