As financial firms race to modernize under tightening regulations, the London Stock Exchange Group (LSEG) is spotlighting data testing as a critical safeguard for resilience. Its new Test Data as a Service offers cloud-based tools to simulate real-world market conditions, helping firms meet EU DORA and UK operational resilience mandates. With market data volumes soaring 66% since 2021, structured testing is becoming a regulatory and strategic imperative.

