Motion designer Patrick Clair tells the story of Stuxnet, “a Microsoft Windows computer worm discovered in July 2010 that targets industrial software and equipment.” Unlike many viruses and worms, Stuxnet was designed with a specific target – Siemens Supervisory Control And Data Acquisition (SCADA) systems – and left any other systems unharmed. Stuxnet could then increase pressure in nuclear reactors and turn off oil pipelines, all the while showing monitors everything was fine…
https://flowingdata.com/2011/06/28/anatomy-of-a-computer-virus-explained/