Hacking computer systems can be ethical and unethical Both . Scroll down to learn about the world 's top 10 Most Famous hackers, who are Known for hacking computer systems and other communication systems .

Hacking is a serious problem faced by the Governments of the world . In this era of stealing confidential information from the government and can cause serious organizaciones other security problems and financial -losses . There are so many people who excel In This hacking business and They can be divided into Broadly white hat , black hat and gray hat . Some of the Most Famous Hackers of all times , are listed below.

Top 10 Famous Hackers

1. Kevin David Mitnick

At the age of 16 , Kevin Mitnick hacked the computer systems of Digital Equipment Corporation ( DEC) and copied the software , que they experienced developed for Their computer 's operating system and Also hacked the Pacific Bell voice mail computers . Kevin used social engineering to get the confidential information of the people by manipulating them. I have used cloned cell phone to hide his location from the police . I have even copied the valuable software by hacking into the computer systems of Motorola, NEC Corporation , Nokia, Sun Microsystems and Fujitsu Siemens .

2 . Gary McKinnon
His nick name is Solo. He is famous for hacking military and NASA computers . Gary the military computers hacked and deleted very important files from the operating systems of the computer network , que Caused automatic shut down of 2000 computers for 24 hours . Also I hacked 16 NASA computers . In a BBC interview , Gary McKinnon Said That " I was not a malicious hacker bent on bringing down U.S. military systems, but rather more of a bumbling computer nerd" . The government OFFICIALS claim That I Caused $ 700,000 loss for the government.

3 . Jonathan James
Jonathan James , aka, c0mrade , intruded into the Defense Threat Reduction Agency ( DTRA ) servers and hacked the emails and passwords of the employees by installing a back door in the server. Also I stole a software from NASA , que was worth $ 1.7 million.

4 . Adrian Lamo
I have hacked the computer network systems of The New York Times , Yahoo! , and Microsoft . I have worked on the WikiLeaks scandal case and the federal Reported to Authorities That Bradley Manning, an army officer , leaked confidential information from the government documents.

5 . Stephen Gary Wozniak
Stephen Wozniak ( Woz ) is the founder of Apple computers, who is basically a computer engineer and a programmer . Which I have invented machines Significantly Contributed to the 1970s computer revolution . He is a white hat hacker ( hack for Those Who Improving Internet security) and have assembled a computer by designing his own hardware and software. He and his best buddy , Steve Jobs (co -founder and CEO of Apple) , researched on frequencies and created an electronic device called 'blue box' , to make distance calls, free of cost . Woz , eleven called The Pope, using his blue box and made ​​Pope believe him to be Henry Kissinger. I have received the National Medal of Technology (1985 ) and Doctor of Engineering degree ( 1989 ) from the University of Colorado at Boulder.

6. Kevin Poulsen
He is a former black hat ( Those who violate computer security for personal gain Or With malicious intent ) who crashed Thousands of telephone lines connecting to a Radio station in Los Angeles, named KIIS -FM, to get a prize to be the 102nd caller . Also I have is famous for lock- picking, money- laundering and cyber -crime , etc. . I even hacked the computer systems of FBI and was Sentenced to 51 months imprisonment . I is currently working as a journalist in Wired News.

7. Robert Tappan Morris
Robert Tappan Morris is an American scientist who created the world's first computer worm called Morris Worm Which was . While doing his graduation in Cornell University, Robert created this worm , que Affected many computer systems . Accused Also I was under Computer Fraud and Abuse Act and was Sentenced to three years of imprisonment , 400 hours of community service and a huge fine of $ 10.050 .

8. Vladimir Levin
I used dial -up wire transfer service to hack the username and password of the Citibank account holders and stole $ 10.7 million. I was sent to jail for three years , and later upgraded Citibank Their systems.

9. Richard Stallman
Also I have is called the ' Father of free software ' . He claims software That Should not have restricted access and so have created codes to break it . Also I have nullified the password settings of the users in computer labs .

10. Tsutomu Shimomura
Tsutomu Shimomura is a computer security expert and a scientist from Japan . I Became instantly famous for helping the FBI arrest Kevin Mitnick . I have employed a cellular antenna frequency and connected it to his laptop and traced Kevin Mitnick .