While many security researchers believe Duqu was developed by the Stuxnet authors, there are others who believe a different team had adapted the code for their purposes. – The fact that the newly discovered Duqu worm has portions of Stuxnet code has led many security researchers to call it Stuxnet 2.0, and speculate that the same team was responsible for both pieces of malware. Based on recent analysis, some researchers now believe the relationship is a little bit mor…