There has only been a small number of broadly documented cyber attacks targeting operational technologies (OT) / industrial control systems (ICS) over the last decade. While fewer attacks is clearly a good thing, the lack of an adequate sample size to determine risk thresholds can make it difficult for defenders to understand the threat environment, prioritize security efforts, and justify resource allocation.
To address this problem, FireEye Mandiant Threat Intelligence produces a range of reports for subscription customers that focus on different indicators to predict future threats. Insights from activity on dark web forums, anecdotes from the field, ICS vulnerability research, and proof of concept research makes it possible to illustrate the threat landscape even with limited incident data.
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Source: FireEye