Date of Award

2012-01-01

Degree Name

Doctor of Philosophy

Department

Business Administration

Advisor(s)

Adam M. Mahmood

Abstract

Using a sample of security and privacy breaches the present research examines the comparative announcement impact between the two types of events. The first part of the dissertation analyzes the impact of publicly announced security and privacy breaches on abnormal stock returns, the change in firm risk, and abnormal trading volume are measured. The second part of the dissertation analyzes differential impact between security and privacy breaches on abnormal stock returns, the change in firm risk, and abnormal trading volume are measured.

Using a sample of 114 security (65) and privacy (49) breaches on average, security breaches resulted in more negative abnormal stock returns than do privacy breaches. While firm risk for privacy events does not change appreciably, firms experiencing security events show a significant increase in risk. The risk shifts between the security and privacy breaches is significantly different. Firms that announced a security or privacy breaches experienced abnormal trading volume.

Language

en

Provenance

Received from ProQuest

File Size

56 pages

File Format

application/pdf

Rights Holder

Adolfo S. Coronado

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