This law tighten regulation of issuers of complex securities, especially those related to subprime mortgages:

This is Dodd-Frank Act
This Act carries a whistleblowing assistance to inspire those with authentic data and evidence about security violations to report them to the government wherein whistleblowers will receive a monetary prize.
Dodd-Frank formed the CFPB or Consumer Financial Protection Bureau to safeguard the consumers from huge, unsupervised banks and merge the consumer security responsibilities. It also works with officials in large banks to avoid dangerous business methods that eventually hurt consumers. This control provides access to consumers a precise information about loans and credit scores.