The book explores the pivotal role of Artificial Intelligence (AI) and machine learning (ML) in fortifying cybersecurity measures within the intricate landscape of financial institutions. As the digital realm continues to evolve, so do the threats faced by organizations, particularly in the financial sector. The integration of AI and ML emerges as a crucial frontier in the battle against cyber threats, providing innovative solutions to defend sensitive financial data and networks. The first section delves into the fundamental concepts of AI and ML, elucidating how these technologies operate and adapt to dynamic cybersecurity challenges. A comprehensive overview of the key components of AI, such as natural language processing, pattern recognition, and anomaly detection, sets the stage for understanding their applicability in the financial cybersecurity domain. The book elucidates the symbiotic relationship between AI and cybersecurity, showcasing how AI's cognitive capabilities enhance the detection, prevention, and response mechanisms against evolving cyber threats. Moving forward, the book explores the specific applications of AI and ML in bolstering the cybersecurity posture.