Cyber security is deeply intertwined with global dynamics and geopolitical tensions, creating a complex landscape. Preparing graduates for cyber security sector requires more than technical expertise. It demands an interdisciplinary perspective and professional attributes such as resilience, adaptability, collaboration, and ethical awareness. This paper presents a case study of a final-year undergraduate module at a UK university that embeds interdisciplinarity through an innovative, problem-based simulation assessment. The case study presents lessons learnt, challenges faced, and practical resources for educators. It also offers insights relevant to industry and policy stakeholders committed to shaping professionals for an evolving digital world.