An interesting article on the Witty worm, remarkable in several ways: small size (637 bytes!), speed and method of propogation (launched from a bot network, done in 45 minutes) and destructiveness. While the author writes “Let’s hope that the Witty worm was just an anomaly, an exception…,” this could also be an indication that there may be an entirely new class of malware out there: more sophisticated, better written and more destructive. Witty extinction. “Evil new ‘firsts’ in the ever-changing world of worms and viruses By Kelly Martin, SecurityFocus .” From The Register