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Issue No. 01 - January/February (2010 vol. 8)
ISSN: 1540-7993
pp: 36-42
Francis Kofi Andoh-Baidoo , University of Texas-Pan American
Kwasi Amoako-Gyampah , University of North Carolina at Greensboro
Kweku-Muata Osei-Bryson , Virginia Commonwealth University
Decision-tree induction is an effective technique for examining the factors influencing abnormal stock market returns when security breaches are announced in the public media. In this article, the authors extend a previous study, specifically identifying new relationships between abnormal returns and firm and attack characteristics and subject them to traditional statistical testing. They relate their results to the confidential, integrity, and availability dimensions of information security and discuss the findings' technical and managerial implications. The Web extra for this article presents detailed event data.
Internet security breach, market value, abnormal returns, decision-tree induction

F. K. Andoh-Baidoo, K. Osei-Bryson and K. Amoako-Gyampah, "How Internet Security Breaches Harm Market Value," in IEEE Security & Privacy, vol. 8, no. , pp. 36-42, 2010.
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