1 Your results for each TExES test are reported as a score in the range of 100-300, with a total test scaled score of 240 as the minimum passing score.
The Stuxnet worm is detected. It is the first worm known to attack SCADA (supervisory control and data acquisition) systems. 2011. The Duqu worm is discovered. Unlike Stuxnet, to which it seems to be related, it was designed to gather information rather than to interfere with industrial operations. 2012 Flame is discovered and found to be used in cyberespionage in Iran and other Middle Eastern countries.
It's not clear how long it took Stuxnet to reach its target after infecting machines at Neda and the other companies, but between June and August the number of centrifuges enriching uranium gas at Natanz began to drop. Whether this was the result solely of the new version of Stuxnet or the lingering effects of the previous version is unknown.