10 Most Infamous And Dangerous Hackers Of All Time

Vladimir Levin

In 1994, this Russian hacker used a dial-up connection and a laptop computer to access the Citibank network, stealing $10.5 million from various accounts. He accomplices turned him in, and he then spent three years in jail. The money was returned, but somehow $400,000 of the stolen money was never recovered.

Michael Calce

In 2000, this hacker was responsible for several high-profile cyber attacks he titled “Project Rivolta”. The hacker shut down popular websites like Yahoo!, FIFA, Ebay, and CNN. He got caught because he couldn’t help but brag about his exploits in an IRC channel.