Business now relies on information infrastructures that are interlinked and interdependent. We need to understand how to predict and mitigate these risks with a view to aid reaction and recovery within these infrastructures.
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Complex systems exist in all aspects of society ranging from stock market analysis to climate change, and information systems and infrastructures are no exception. As an information system matures it typically converges with others to add a richer functionality. This reliance upon extrinsic factors to deliver a service adds extra layers of complexity and interdependency, which are not fully understood and are to some degree uncontrollable.

The way in which these hidden interdependencies pervade our everyday lives is staggering and, in some cases, may go unchecked for many years until an incident occurs that revels the true nature of the interdependences' impact.