The document discusses how FINRA uses Splunk Cloud to gain transparency and end-to-end visibility into its AWS environment. As an independent financial regulator handling large amounts of market data each day, FINRA needed a solution to gain comprehensive security visibility across its hybrid on-premises and AWS infrastructure. Splunk Cloud provides FINRA with the ability to correlate security data from AWS CloudTrail and other sources, both in the cloud and on-premises, helping FINRA to detect threats and reduce AWS costs by over 50% for some workloads.