Cyber Security and Ransomware in Financial Markets

Toni Ahnert, Michael Brolley, David Cimon & Ryan Riordan
Financial markets face the constant threat of cyber attacks. We develop a principal-agent model of cyber-attacking with fee-paying clients who delegate security decisions to financial platforms. We derive testable implications about clients’ vulnerability to cyber attacks and about the fees charged. We characterize which cyber attacks actors choose. We find that ransomware attacks are more successful than traditional attacks and that platforms underinvest in security when security is unobservable. Regulating security investment (e.g., minimum security...
This data repository is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.