...April 1 ignored the fact that malware is out there and it is not detected easily and it has counter measures," said DaveDittrich, an affiliate researcher at the University of Washington who is on the Conficker Working Group consortium of companies...
http://news.cnet.com/8301-1009_3-10210934-83.html
...advanced cryptographic techniques and created a novel way of controlling the botnet via peer-to-peer networks, said DaveDittrich, a researcher with the University of Washington. "It was a completely different way of controlling a bunch of...
http://www.itworld.com/security/67226/no-jail-time-nugache-worm-creator