Former WorldCom CEO Bernie Ebbers, left, and CFO Scott Sullivan.
It soon became clear that WorldCom's books were larded with billions of dollars in inflated revenues and misstated costs. And WorldCom was far from the last casualty in what became known as the year of the scandal: Within weeks, big accounting frauds were unmasked at conglomerate Tyco and cable TV company Adelphia, to name just two.
Ebbers and his righthand man, Scott Sullivan, were later jailed for fraud, as were top execs at Enron, Tyco and Adelphia.
NEXT: Aug. 27, 2003: Grasso's $139 million payday