In an era of sophisticated fraud schemes, financial institutions must remain vigilant in ensuring the effectiveness of their fraud controls. This session will explore the critical role of red-team testing to validate the accuracy and performance of fraud detection systems through the experience of one financial institution. The discussion will cover the approach of developing comprehensive testing strategies and leveraging test evidence to identify and close vulnerabilities in a proactive approach to fraud risk management. The discussion will also highlight the importance of engaging stakeholders across the organization to identify threats and adapt testing to stay one step ahead of the evolving fraud landscape.