The backdating and repricing of stock options became a huge public issue last decade, almost immediately after the WorldCom and Enron scandals rocked the business world, which resulted in the passage of the Sarbanes-Oxley Act of 2002. The timing of this backdating and repricing of stock options occurred in the years that followed the Internet stock market bust in 2000 and 2001, followed closely by the events of September 11, 2001.

Answer in a well detailed post the following:

Explain in detail what is meant by the backdating and repricing of stock options. Be specific.