September 1, 2003 Digital Vandalism Spurs a Call for OversightBy AMY HARMON he teenager accused of creating a version of the Blaster worm that infected computer systems across the world last week has been arrested. SoBig.F, an e-mail virus unleashed on the Internet just as Blaster was being stamped out, is expected to expire next week. But all is far from quiet on the electronic frontier. Security experts are already preparing for SoBig.G. Another worm may already be squirming through newly discovered flaws in computer operating systems. And in the moments between epidemics, the Internet's more run-of-the-mill annoyances — spam,...