Too Long; Didn't Read
In April 2012 Iranian officials started disconnecting their oil terminals from the internet. It was not the first time they had to isolate their machinery. In 2010 Stuxnet malware was uncovered, which brought chaos to their nuclear plants, and disabled and degraded about one thousand uranium enrichment centrifuges. Stuxnet was rightly dubbed <a href="https://www.quora.com/What-is-the-most-sophisticated-piece-of-software-ever-written-1">the most complex piece of code</a> ever written.