In the ever-evolving banking landscape, cybersecurity remains a critical concern, especially as we stand on the brink of a quantum computing revolution. Over my three-decade career in IT, with the last ten years as a CIO in large banks, I have seen the transformative power of technology firsthand. With its unparalleled computational capabilities, Quantum computing promises significant advancements but poses substantial threats to traditional cybersecurity strategies. This article explores how banks prepare for quantum threats, the intersection of quantum computing and AI in cybersecurity, and the strategic imperatives for securing the future.