Examining the costs and causes of cyber incidents

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Abstract

In 2013, the US President signed an executive order designed to help secure the nation's critical infrastructure from cyberattacks. As part of that order, he directed the National Institute for Standards and Technology (NIST) to develop a framework that would become an authoritative source for information security best practices. Because adoption of the framework is voluntary, it faces the challenge of incentivizing firms to follow along. Will frameworks such as that proposed by NIST really induce firms to adopt better security controls? And if not, why? This research seeks to examine the composition and costs of cyber events, and attempts to address whether or not there exist incentives for firms to improve their security practices and reduce the risk of attack. Specifically, we examine a sample of over 12 000 cyber events that include data breaches, security incidents, privacy violations, and phishing crimes. First, we analyze the characteristics of these breaches (such as causes and types of information compromised).We then examine the breach and litigation rate, by industry, and identify the industries that incur the greatest costs from cyber events. We then compare these costs to bad debts and fraud within other industries. The findings suggest that public concerns regarding the increasing rates of breaches and legal actions may be excessive compared to the relatively modest financial impact to firms that suffer these events. Public concerns regarding the increasing rates of breaches and legal actions, conflict, however, with our findings that show a much smaller financial impact to firms that suffer these events. Specifically, we find that the cost of a typical cyber incident in our sample is less than $200 000 (about the same as the firm's annual IT security budget), and that this represents only 0.4% of their estimated annual revenues.

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APA

Romanosky, S. (2016). Examining the costs and causes of cyber incidents. Journal of Cybersecurity, 2(2), 121–135. https://doi.org/10.1093/cybsec/tyw001

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