Notorious & Most Dangerous Hackers  



He is an American Computer hacker. He hacked the North American Defense Command in 1983, Digital Equipment Corporation Network in 1989. Now he runs a Computer Security Firm, Mitnick Security Consulting.

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kevin mitnick

He is a Scottish Systems Administrator & Hacker. He hacked 97 US military & NASA computers in 2002. 

gary mokinnon

He is an American Hacker. He known as a “c0mrade” tragic one. He hacked NASA’s network and downloaded enough source code to learn how the International Space Station worked. He committed suicide in 2008. 

jonathan james

He is an American Hacker. He was the leader of a hacker group called ShadowCrew. He collected more than 170M credit card & ATM card numbers & steal and selling. He also hacked databases of TJX companies and Heartland payment systems.


He is an American former computer intelligence consultant. He leaked highly classified information from the NSA in 2013. 

edward snowden

He is an American Hacker. He hacked ARPANET, the Pentagon’s computer network in 2013, Federal Computer and Dug in 1988. Radio station contest in 1990. 

kevin poulsen

He is an Australian Hacker. He hacked several high profile targets as US Department of Defence, NASA, Lockheed Martin. Presently he is known as the creator and public face of Wikileaks.

jullian assanger

He is known as the creator of the world’s first known computer worm i.e. Morris Worm in 1988. He eventually founded Y Combinator and he is now a professor at the Massachusetts Institute of Technology.

robert tappan morris

He is known as “The Mentor” in hacking groups. He is authored an essay called “Mentor’s Last Words” also called “conscience of Hacker and Hacker Manifesto”. He is now the head of product research and design at McAfee.

loyd blankenship

He is an American Hacker. He was able to compromise more than 400,000 computers using a series of large scale “Botnets”, in 2005. He was curious about the use of bots software based robots that can infect and ultimately control computer systems.

jeanson james acheta

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