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Security Breaches and Firm Value

Author

Listed:
  • Bolster Paul

    (Northeastern University)

  • Pantalone Coleen H

    (Northeastern University)

  • Trahan Emery A

    (Northeastern University)

Abstract

Security breaches may be a normal risk of doing business, or they may result in economic losses and changes in business valuation. A small number of studies outside the finance literature find mixed results regarding the economic impact of security breaches. In this paper, we examine a large sample to determine whether breaches result in significant economic losses and whether the announcement venue has an impact on business valuation. We find a negative and significant impact on firm value when the breach is announced in one of four major news outlets. When the announcement is elsewhere, the impact is minimal.

Suggested Citation

  • Bolster Paul & Pantalone Coleen H & Trahan Emery A, 2010. "Security Breaches and Firm Value," Journal of Business Valuation and Economic Loss Analysis, De Gruyter, vol. 5(1), pages 1-13, April.
    • Handle: RePEc:bpj:jbvela:v:5:y:2010:i:1:n:1
    DOI: 10.2202/1932-9156.1081
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    References listed on IDEAS

    as
    1. Brown, Stephen J. & Warner, Jerold B., 1985. "Using daily stock returns : The case of event studies," Journal of Financial Economics, Elsevier, vol. 14(1), pages 3-31, March.
    2. Anat Hovav & John D'Arcy, 2003. "The Impact of Denial‐of‐Service Attack Announcements on the Market Value of Firms," Risk Management and Insurance Review, American Risk and Insurance Association, vol. 6(2), pages 97-121, September.
    Full references (including those not matched with items on IDEAS)

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    Cited by:

    1. Benaroch, Michel & Chernobai, Anna & Goldstein, James, 2012. "An internal control perspective on the market value consequences of IT operational risk events," International Journal of Accounting Information Systems, Elsevier, vol. 13(4), pages 357-381.
    2. Sepideh Ebrahimi & Kamran Eshghi, 2022. "A meta-analysis of the factors influencing the impact of security breach announcements on stock returns of firms," Electronic Markets, Springer;IIM University of St. Gallen, vol. 32(4), pages 2357-2380, December.
    3. Lorenz Bohn & Dirk Schiereck, 2023. "Regulation of data breach publication: the case of US healthcare and the HITECH act," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 47(2), pages 386-399, June.
    4. Syed Emad Azhar Ali & Fong-Woon Lai & Rohail Hassan & Muhammad Kashif Shad, 2021. "The Long-Run Impact of Information Security Breach Announcements on Investors’ Confidence: The Context of Efficient Market Hypothesis," Sustainability, MDPI, vol. 13(3), pages 1-27, January.

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