One thing that was somewhat glossed over in the article is that stuxnet used 4 zero-days... That is it exploited 4 different software vulnerabilities that were

One thing that was somewhat glossed over in the article is that stuxnet used 4 zero-days... That is it exploited 4 different software vulnerabilities that were unknown. This is a completely unprecedented level of sophistication in malware. https://www.symantec.com/connect/blogs/stuxnet-using-three-additional-zero-day-vulnerabilities https://www.symantec.com/connect/blogs/stuxnet-using-three-a...