With the ever changing threats posed by cyber events of any nature, it has become critical to recognize these emerging threats, malicious or not, and identify the consequences these threats may have on the operation of an industrial control system (ICS). Cyber-attacks over time have the ability to take on many forms and threaten not only industrial but also national security.
Saudi Aramco, the world’s largest exporter of crude oil, serves as a perfect example depicting how devastating a cyber-attack can truly be on an industrial manufacturer. In August 2012, Saudi Aramco (SA) had 30,000 personal computers on its network infected by a malware attack better known as the “Shamoon” virus. According to InformationWeek Security this was roughly 75 percent of the company’s workstations and took 10 days to complete clean-up efforts.
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