Answer: The Sarbanes-Oxley Act
Explanation: The Sarbanes-Oxley act of 2002 that is also known as Public Company Accounting Reform and Investor Protection Act offers protection to Whistle blowers.
The act seeks to check for fraud in public companies.
Public companies are literally owned by the general public that is the general public are the investors in these companies.
In some of these companies, some corrupt executives might want to perpetuate fraud and declare loss to the investors.
This act was established to crack down on fraud of any sort in public companies and also protect whistle blowers who help in uncovering/reporting the fraud to the appropriate authorities.