The Prudential Regulation Authority (PRA), responsible for regulating UK banks, credit unions, and insurers, plans to increase its scrutiny of major cloud computing providers.

Concerns stem from the growing reliance the banking sector has on the Big Three to maintain its systems and the threat an outage or hack could pose.

As a result, the PRA is looking into ways to access more data from Amazon, Microsoft, and Google, particularly in relation to the operation resilience...