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1. Pelletier, Justin M. Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors.

Degree: 2017, Capella University

This research informs an ongoing debate regarding a firm’s incentives to invest in information security. Previous research reported that data breaches have had a decreasing impact on a company’s stock price over time, leading researchers to conclude that market-based incentives are decreasingly effective. Some information security economists also suggested that further regulation is necessary because they found that capital market participants poorly accounted for the spillover effects of a breach—the effects of a breach that are external to the breached company. However, some studies indicate that sector-wide systematic risk could measure spillover effects and that the effects of a data breach on systematic risk may have changed over time. The purpose of this study was to quantitatively describe the relationship between the data breach of a firm and changes to the systematic risk of that firm’s sector. This dissertation used event studies of sector-wide systematic risk within American stock markets to measure the external effects of breaches that occurred in companies within the financial, technology, healthcare and services sectors. The use of a repeated measures analysis of variance between those event studies allowed examination of longitudinal changes to sector-wide systematic risk between 2006 through 2016. This analysis found that the breach of an individual company had a significant impact on the systematic risk for that company’s entire sector (1.08% in 2016) and that these impacts have increased over time (<i>p</i> = 0.015). The results were consistent across all measured sectors, without any significant correlation attributable to the scope of the breach. Together, these findings suggest that market forces are increasingly incentivizing sector-wide investment in information security. Further research should consider the potential for government enforced meta-regulation of sector defined information security standards.

Subjects/Keywords: Information technology; Economics; Finance

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Pelletier, J. M. (2017). Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors. (Thesis). Capella University. Retrieved from http://pqdtopen.proquest.com/#viewpdf?dispub=10615009

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Pelletier, Justin M. “Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors.” 2017. Thesis, Capella University. Accessed October 22, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10615009.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Pelletier, Justin M. “Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors.” 2017. Web. 22 Oct 2017.

Vancouver:

Pelletier JM. Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors. [Internet] [Thesis]. Capella University; 2017. [cited 2017 Oct 22]. Available from: http://pqdtopen.proquest.com/#viewpdf?dispub=10615009.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Pelletier JM. Effects of Data Breaches on Sector-Wide Systematic Risk in Financial, Technology, Healthcare and Services Sectors. [Thesis]. Capella University; 2017. Available from: http://pqdtopen.proquest.com/#viewpdf?dispub=10615009

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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