Leading experts on Internet security are skeptical that the FBI and other investigators will be able to track down whoever was responsible for last weekend’s attack on the Internet. These experts, including many who provide technical advice to the FBI and other U.S. agencies, said exhaustive reviews of the blueprints for the attacking software are yielding few clues to its origin or the author’s identity. “The likelihood of being able to track down the specific source of this is very unlikely,” said Ken Dunham, an analyst at iDefense, an online security firm. “We don’t have the smoking gun.” The worm’s author could face up to life in prison under new U.S. anti-terror legislation passed two months ago, some legal experts said. Full Story