18 August 2020 by Phillip Johnston • Last updated 15 August 2023Stuxnet was a virus that targeted Siemens PLCs and was responsible for significantly damaging Iran’s nuclear program. The virus was first uncovered in 2010, but is thought to have been in development for at least five years prior to that. Stuxnet caused centrifuges at the nuclear plant to spin out of control while operator screens reported nominal values, leading to systems failures, asset damage, safety concerns, and a national security fiasco. This virus is particularly remarkable because it attacked systems that were not connected to any networks with access …
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