NY Fed: a pre-mortem analysis of cyber risk in the US financial system

NY Fed researchers model how a cyber attack may be amplified through the US financial system, focusing on the wholesale payments network. Authors Thomas Eisenbach, Anna Kovner, and Michael Junho Lee estimate that the impairment of any of the five most active US banks will result in significant spillovers to other banks, with 38% of the network affected on average.

The impact varies and can be larger on particular days and in geographies with concentrated banking markets. When banks respond to uncertainty by liquidity hoarding, the potential impact in forgone payment activity is dramatic, reaching more than 2.5 times daily GDP. In a reverse stress test, interruptions originating from banks with less than $10 billion in assets are sufficient to impair a significant amount of the system. Additional risk emerges from third-party providers, which connect otherwise unrelated banks.

Read the full report

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