The Swiss Financial Market Supervisory Authority (FINMA) is calling on banks to do more to address the risk posed by powerful quantum computers. Quantum computing could breach current cryptographic systems, putting communications, customer data and financial transactions at risk. A survey carried out between November 2025 and January 2026 among 60 financial institutions has revealed that companies are aware of the risks posed by quantum computers, FINMA said. However, there is generally a lack o