Kevin David mitnick (1963) was born on August 6th in Los Angeles, USA. He was the first hacker wanted by the FBI. Some critics call him the "number one computer hacker" in the world, and his legendary hacking experience is enough to shock the whole world. Now he is a network security consultant and has published The Art of Anti-Deception, The Art of Anti-Invasion, The Ghost of the Internet: The Autobiography of mitnick, the world's number one hacker.

Adrian lamo is one of the five most famous hackers in history. Mora specializes in looking for big organizations, such as breaking into Microsoft and The New York Times. Mora likes to use the network of coffee shops, Kinko shops or libraries for his hacking activities, so he got a nickname: hackers who don't go home. Mora often finds security vulnerabilities and exploits them. Usually, he will inform the company of the relevant loopholes. Ramo's victim list also includes Yahoo! ), Citibank, Bank of America and Cingular.

Jonathan Gems, one of the five most famous hackers in history. 1999, James, who was only 16 years old, was arrested for hacking into NASA computers, becoming the first minor in the world to be arrested for hacking. In the same year, he cooperated with the FBI to find out the publisher of Melissa virus, david smith. The next year, he helped the FBI find the source of the love bug virus, which made him famous. On May 8, 2008, Jonathan Gems died of cancer. Although a document about his death has never been made public, it is not difficult to speculate that one of his partners, Adrian Ramo, claimed that James ended his life with a pistol.