Computer experts tried Monday to determine if a virus-like attack on the Internet over the weekend originated in Hong Kong as the president of South Korea, the hardest hit nation, ordered officials to safeguard that nation’s computer networks. A U.S. Internet executive said by telephone that disruptions appeared first in Hong Kong before spreading to other Pacific Rim nations and then onto the United States and Europe. The worm could have been timed for release during the Asian day and cropped up in Hong Kong when people began using their computers on Saturday, but that does not mean it was launched from Hong Kong, said Tom Ohlsson, a vice president at Matrix NetSystems of Austin, Texas. Full Story