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dc.contributor.advisorBirru, Justin
dc.creatorHepperle, Jordan
dc.date.accessioned2019-04-29T16:47:04Z
dc.date.available2019-04-29T16:47:04Z
dc.date.issued2019-05
dc.identifier.urihttp://hdl.handle.net/1811/87578
dc.description.abstractPublic announcements of data breaches do not affect all companies the same. Data security and hacking and their effect on companies have become popular subjects to study since the start of the 2000s. By measuring the cumulative abnormal return (CAR) of stocks, it has been found in previous studies that announcements of a data breach do negatively affect the stock’s return after the public announcement. The cumulative abnormal return is a finance term used to measure the impact of an event on a stock. To expand on past research, and to examine to see if there is any correlation between the year of the public announcement of a company data breach and the cumulative abnormal return, this paper measures the cumulative abnormal return of stocks that announced a data breach for the years 2005-2018. The data set consists of over 300 incidents of publicly traded companies that suffer data breaches from 2005-2018. The cumulative abnormal return for the year is plotted on a timeline and examined for any patterns. This paper examines how the effect of a data breach has affected companies’ stock returns over the fourteen years of data. In order to help determine if there has been a trend regarding investors’ opinions about data security over the years as it has become more prominent in everyday lives. It appeared that the year the data breach was announced did not have a significant effect over the timeline.en_US
dc.language.isoen_USen_US
dc.publisherThe Ohio State Universityen_US
dc.relation.ispartofseriesThe Ohio State University. Department of Finance Honors Theses; 2019en_US
dc.subjectdata securityen_US
dc.subjectdata breachen_US
dc.subjectcyber attacken_US
dc.subjectdata hacken_US
dc.titleThe Effect of a Public Announcement of a Company Data Breach over Timeen_US
dc.typeThesisen_US
dc.description.embargoNo embargoen_US
dc.description.academicmajorAcademic Major: Accountingen_US


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