Quantum computing has shifted from theoretical threat to structured planning across Singapore’s financial system. With the Monetary Authority of Singapore (MAS) issuing a formal advisory to CEOs on quantum cybersecurity, launching a readiness index with the Cyber Security Agency (CSA) and introducing a quantum track under the Financial Sector Technology and Innovation Scheme (FSTI) 3.0, institutions now operate with clearer expectations on cryptographic transition and capability uplift.

Singapore’s posture remains precautionary: regulators are preparing the financial sector for an eventual shift to post-quantum security even though timelines for mature quantum threats remain uncertain. While MAS has not…