The defacement follows a flurry of similar assaults over the weekend on federal agency sites. The White House Historical Society, which offers books and educational materials about the presidential home, fixed its site soon after the cybervandalism was noticed Monday morning. We're a non-profit organization. Wang Wei remembered Over the weekend, several U.S. government sites weathered attacks by hackers memorializing Wang Wei, the Chinese pilot who was killed in a collision with a U.S. Navy spy plane on April 1. The Web sites operated by the departments of Labor and Health and Human Services were working properly Sunday after similar acts of vandalism.
Federal officials think the hackers are from China.
A picture of Wang Wei was posted Saturday on Labor's Web site. Roy said the hackers were believed to be Chinese because of the content, including Chinese characters, they posted on the site. HHS spokesman Bill Hall said a picture of Wang was placed Saturday on that agency's site. The surgeon general's site was disabled entirely. Authorities investigating HHS technicians added extra protections to the site's Web pages before putting them back online a few hours later, he said.