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The Economic Impact of Cybersecurity
Understanding the economic impact of cybersecurity issuesprevention, detection, mitigation, and recoveryrequires models of economic relationships that support good decision-making. However, realistic models must be based on data derived both from the realities of investment in cybersecurity and consequences of actual attacks. In this section, we describe the nature of the data needed, the actual data available for use by modelers and decision makers, and the gap between ideal and real.
For any organization, understanding the nature of the cybersecurity threat requires knowing at least the following elements:
number and types of assets needing protection
number and types of vulnerabilities that exist in a system
number and types of likely threats to a system
Similarly, understanding the realities of cyber attack also requires knowing the number and types of attacks that can and do occur, and the costs associated with restoring the system to its pre-attack state and then taking action to prevent future attacks.
Both the types of possible attacks and the vulnerabilities of systems to potential cyber attacks are fairly well understood. However, the larger direct and indirect consequences of such attacks are still largely unknown. We may know that a system has been slowed or stopped for a given number of days, but often we have no good sense of the repercussions as other systems can no longer rely on the system for its information or processing. For instance, an attack on a bank can have short- and long-term effects on the travel and credit industries, which in turn can affect food supply. This lack of understanding has consequences among interconnected computers.
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