MafiaBoy causing $1 billion in damages (2000) (1/10)

MafiaBoy was a 15- year old boy named Michael Calce from Canada. In the year 2000 when he was a high school student, he managed to hack into multiple commercial websites including Amazon and eBay through a DDoS attack.

The total damage according to reliable sources was $1.2 billion. He was sentenced to 8 months in open custody.

Giza Pyramids, Egypt (10/10)

The Morris Worm (1988) (2/10)