This document is a strategic analysis focused on the evolving threat landscape for NatWest, particularly in the context of its expansion into open banking and embedded finance. It outlines the increased risk associated with numerous new API connections that could potentially compromise core banking systems. The analysis highlights critical considerations for NatWest, including the need for a cohesive security strategy that aligns with various regulatory frameworks such as NIS2, DORA, PSD2, and GDPR. It discusses the alarming rise in cyber threats, including a significant increase in voice phishing attacks and identity-based attacks. The document proposes a 120-day roadmap for implementing Zero Trust architecture across all API connections while ensuring that innovation continues. It emphasizes the importance of a unified security architecture to manage the complexities of modern digital infrastructures and the need for enhanced identity protection and automated response capabilities to safeguard sensitive financial data. The analysis concludes with a detailed framework for enhancing security measures over a defined period.