We model how a cyber attack may be amplified through the U.S. financial system, focusing on the wholesale payments network. We estimate that the impairment of any of the five most active U.S. banks will result in significant spillovers to other banks, with 38 percent of the network affected on...

Cyber risk, defined as the risk of loss from dependence on computer systems and digital technologies, has grown in the financial system. Cyber events, especially cyberattacks, are among the top risks cited in financial stability surveys in the United States and globally