This report explores the rising threat of deepfake technology in financial fraud. It breaks down how AI-generated voices and videos are being weaponised to manipulate markets, deceive employees, and bypass security protocols. Through real-world case studies and data-driven insights, we highlight the risks financial institutions face and outline key countermeasures, from AI-powered detection tools to enhanced regulatory compliance. Designed for executives, CISOs, and fraud prevention teams, this report provides actionable strategies to combat the evolving dangers of AI-driven deception.