Artificial intelligence has evolved from being a technical novelty into a powerful business tool with remarkable speed. Companies are embedding generative AI into customer service, software development, and finance operations to unlock efficiency gains and accelerate innovation. However, as adoption deepens, cyber security leaders are confronting a new reality: AI is not just enhancing productivity but also fundamentally reshaping cyber risk. Indeed, as AI becomes both a growth engine and a threat vector, the fundamentals of cyber security will become increasingly important. Cyber resilience will depend on embedding secure-by-design and Zero Trust principles across the enterprise.