Singapore is actively bracing for the disruptive impact of quantum computing on cybersecurity, recognizing the urgent need to future-proof its critical digital infrastructure. By 2025 and beyond, the nation is investing heavily in quantum-safe cryptography, quantum key distribution, and fostering a robust ecosystem of research, talent, and industry partnerships to maintain its leading edge in a post-quantum world. These proactive measures aim to safeguard sensitive data and critical systems against the impending threat of quantum attacks, ensuring Singapore's continued digital resilience and economic security.