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Cyber Risk and Security Investment

Author

Listed:
  • Ahnert, Toni
  • Brolley, Michael
  • Cimon, David
  • Riordan, Ryan

Abstract

We develop a model in which firms invest in cybersecurity to protect themselves and their clients from cyber attacks. Since cyber security investment is unobservable, firms may signal their investment to attract clients. In equilibrium, firms under-invest in cyber security. We derive testable implications for the modality of cyber attacks, the probability of a successful attack, and client fees. To raise efficiency, a regulator can impose a minimum level of security investment or legislate consumer protection that shifts the burden of cyber attacks from clients to firms. Both regulations induce firms to invest the constrained-efficient amount in cyber security.

Suggested Citation

  • Ahnert, Toni & Brolley, Michael & Cimon, David & Riordan, Ryan, 2022. "Cyber Risk and Security Investment," CEPR Discussion Papers 17403, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:17403
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    Cited by:

    1. is not listed on IDEAS
    2. Anna Cartwright & Edward Cartwright & Jamie MacColl & Gareth Mott & Sarah Turner & James Sullivan & Jason R. C. Nurse, 2023. "How cyber insurance influences the ransomware payment decision: theory and evidence," The Geneva Papers on Risk and Insurance - Issues and Practice, Palgrave Macmillan;The Geneva Association, vol. 48(2), pages 300-331, April.

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    Keywords

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    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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