国际货币基金组织：2025年使用模拟进行网络压力测试练习报告（英文版）

We demonstrate how computer-based simulations could support cyber stress testing exercises through a three-step framework. First, cyber-attack scenarios are designed to target the systemic nodes of a payment network at different times, disrupting a major bank, critical service provider, large-value payment system, and a foreign exchange settlement system. Second, the stress resulting from the scenarios is simulated using transaction-level data, and its impact is measured through a range of ri