Symantec: work on Stuxnet worm started two years earlier than first thought

Most of us think we know the tale of Stuxnet: it's a possibly government-sponsored worm that played havoc with Iranian centrifuges in 2009, setting back the country's uranium enrichment program without involving any traditional weapons. Researchers at Symantec, however, now claim there's an untold narrative. They've discovered a Stuxnet 0.5 version that may have been in development or active as soon as November 2005, two years before the commonly accepted timeline. It first surfaced on trackers ...