This report presents a strategic analysis focused on the evolving threat landscape faced by Vodafone, a telecommunications provider serving 300 million subscribers in Europe and Africa. The document outlines significant security challenges, including the risks associated with 5G network slicing, mobile money platforms, IoT device management, and submarine cable landing stations. It highlights the alarming rise in voice phishing attacks and the need for a cohesive security strategy as digital transformation accelerates in the telecommunications sector. The analysis includes a 120-day roadmap for implementing a Zero Trust network architecture while ensuring service reliability. Key considerations involve maintaining network resilience, supporting service continuity, and enabling secure innovation. The report emphasizes the importance of a unified security architecture to address complex threats, particularly in light of increasing cyberattacks and the need for advanced threat detection capabilities. The document concludes with a detailed framework for enhancing security measures across Vodafone's operations.