Top 10 Hacker in the World



  • Hacking is an attempt to exploit a computer system or a private network inside a computer. Simply put, it is the unauthorized access to or control over computer network security systems for some illicit purpose.

Top 10 Hacker in the World 

  1. Kevin Mitnick
  2. Robert Tappan Morris
  3. Vladimir Levin
  4. Michael Calce
  5. Kevin Poulsen
  6. Anonymous
  7. Adrian Lamo
  8. Jonathan James
  9. George Hotz
  10. Gary McKinnon

1. Kevin Mitnick

  • Kevin David Mitnick is an American computer security consultant, author, and convicted hacker. He is best known for his high-profile 1995 arrest and five years in prison for various computer and communications-related crimes.
  • Kevin Mitnick, once considered the most-wanted cyber criminal in the United States, is often touted as the poster child of computer hacking. Kevin mastered an early form of social engineering (scamming operators) and computer hacking to gain access to and modify telephony switching systems. After a very public two-year chase, arrest ,and incarceration, the hacker community collectively rose in protest against what they viewed as a witch hunt.
  • Born :  6 August 1963 ( Van Nuys, Los Angeles California, US )
  • Movies : The Secret History of Hacking
  • Education : Pierce Collage, James Monroe High School, University of Southern California

2. Robert Tappan Morris

  • Robert Tappan Morris is an American computer scientist and entrepreneur. He is best known for creating the Morris worm in 1988, considered the first computer worm on the Internet. Morris was prosecuted for releasing the worm, and became the first person convicted under the then-new Computer Fraud and Abuse Act.
  • On November 2, 1988, Robert Morris released a worm that brought down one-tenth of the Internet. With the need for social acceptance that seems to infect many young hackers, Morris made the mistake of chatting about his worm for months before he actually released it on the Internet, so it didn't take long for the police to track him down. Morris said it was just a stunt and added that he truly regretted wreaking $15 million worth of damage, the estimated amount of carnage caused by his worm.
  • Born : 8 November 1965 ( Massachusetts, United States )
  • Education : Harvard University (1999), Harvard University (1987)
  • Awards : ACM Fellow
  • Known for : The Morris Worm, Viaweb, YCombinator
  • Parents : Robert Morris, Anne Farlow Morris
  • Notable Student : Eddie Kohler

3. Vladimir Levin

  • Vladimir Leonidovitch Levin is a Russian individual famed for his involvement in the attempt to fraudulently transfer USD 10.7 million via Citibank's computers.
  • Seeming like the opening of a James Bond movie, Vladimir Levin was working on his laptop in 1994 from his St. Petersburg, Russia, apartment. He transferred $10 million from Citibank clients to his own accounts around the world. As with most Bond movies, Levin's career as a hacker was short lived -- with a capture, imprisonment, and recovery of all but $400,000 of the original $10 million.

4. Michael Calce

  • Michael Calce is a security expert and former computer hacker from Île Bizard, Quebec who launched a series of highly publicized denial-of-service attacks in February 2000 against large commercial websites, including Yahoo!,,, Dell, Inc., E*TRADE, eBay, and CNN.
  • Michael Calce, also known as MafiaBoy, was arrested in February 2000 for launching a denial-of-service attack that brought down many of the Internet's largest sites, including Amazon, eBay, and Yahoo. Calce's lawyer, Yan Romanowski, claimed, "If [MafiaBoy] had used all his powers, he could have done unimaginable damage." It is widely believed that Calce is no more than a script kiddie. His attacks, however successful, were implemented using computer scripts that clogged networks full of garbage data.
  • Born : 1984 (age 36 years), Montreal, Canada

5. Kevin Poulsen

  • Kevin Lee Poulsen is an American former black-hat hacker and a contributing editor at The Daily Beast.
  • Kevin Poulsen, known as Dark Dante in the hacker community, specialized in hacking phone systems, particularly radio stations. This talent allowed only calls originating from his house to make it through to the station, assuring him of wins in listener radio contests. His iconic 1991 hack was a takeover of all of the telephone lines for the Los Angeles KIIS-FM radio station, guaranteeing that he would be the 102nd caller and win the prize of a Porsche 944 S2. The bold Poulsen was wanted by the FBI for federal computer hacking at the same time he was winning the Porsche and $20,000 in prize money at a separate station. Poulsen spent 51 months in a federal prison, the longest sentence of a cybercriminal at that time.
  • Born : 30 November 1965 (age 54 years), Pasadena, California, United States
  • Other Name : Dark Dante
  • Awards : Webby Award for Websites - Law
  • Nominations : Goodreads Choice Awards Best Nonfiction

6. Anonymous

  • Anonymous is a decentralized international activist/hacktivist collective/movement that is widely known for its various cyber attacks against several governments, government institutions and government agencies, corporations, and the Church of Scientology.
  • Anonymous originated in 2003 on the imageboard 4chan representing the concept of many online and offline community users simultaneously existing as an anarchic, digitized global brain. 
  • Purpose : Anti-cyber-surveillance, Anti-cyber-censorship, Internet activism, Internet vigilantism 
  • Membership: Decentralized affinity group 
  • Founded: 2003

7. Adrian Lamo 

  • Adrián Alfonso Lamo Atwood was an American threat analyst and hacker. Lamo first gained media attention for breaking into several high-profile computer networks, including those of The New York Times, Yahoo!, and Microsoft, culminating in his 2003 arrest.
  • In 2001, 20-year-old Adrian Lamo used an unprotected content management tool at Yahoo to modify a Reuters article and add a fake quote attributed to former Attorney General John Ashcroft. Lamo often hacked systems and then notified both the press and his victims. In some cases, he'd help clean up the mess to improve their security. However, Lamo took things too far in 2002, when he hacked The New York Times' intranet, added himself to the list of expert sources and began conducting research on high-profile public figures. Lamo earned the moniker "The Homeless Hacker" because he preferred to wander the streets with little more than a backpack and often had no fixed address.
  • Born : 20 February 1981, Malden, Massachusetts, United States
  • Died : 14 March 2018, Wichita, Kansas, United States 
  • Other Name : Adrián Lamo, R. Adrián Lamo
  • Education : Lowell High School, American River College...
  • Parents : Mary Lamo-Atwood, Mario Lamo-Jiménez

8. Jonathan James

  • Jonathan Joseph James was an American hacker who was the first juvenile incarcerated for cybercrime in the United States. The South Florida native was 15 years old at the time of the first offense and 16 years old on the date of his sentencing.
  • James gained notoriety when he became the first juvenile, at age 16, to be sent to prison for hacking. James specialized in hacking high-profile government systems, such as NASA and the Department of Defense. He was reported to have stolen software worth more than $1.7 million.
  • Born : 12 December 1983, United States
  • Died : 18 May 2008, Pinecrest, Florida, United States
  • Education : Miami Palmetto Senior High School

9. George Hotz

  • George Francis Hotz, alias geohot, is an American security hacker. He is known for developing iOS jailbreaks, reverse engineering the PlayStation 3, and for the subsequent lawsuit against Sony. Since September 2015, he is working on his vehicle automation machine learning company
  • While George Hotz may be a renowned jailbreak artist, he's best known for being named as the primary reason for the April 2011 PlayStation breach. As one of the first hackers to jailbreak the Sony PlayStation 3, Hotz found himself in the middle of a very mean, public, and messy court battle with Sony -- perhaps because of his public release of his jailbreaking methods. In stated retaliation, the hacker group Anonymous attacked Sony in what has been the most costly security break of all time. Hotz denied any responsibility for the attack and said, "Running homebrew and exploring security on your devices is cool; hacking into someone else's server and stealing databases of user info is not cool."
  • Born : 2 October 1989 (age 30 years), Glen Rock, New Jersey, United States
  • Other Name : Geohot
  • Notable work : Jailbreak,
  • Education : Bergen County Academies
  • Parents : Marie Minichiello, George Hotz, Sr.

10. Gary McKinnon

  • Gary McKinnon is a Scottish systems administrator and hacker who was accused in 2002 of perpetrating the "biggest military computer hack of all time.
  • In 2002, a decidedly odd message appeared on a U.S. Army computer: "Your security system is crap," it read. "I am Solo. I will continue to disrupt at the highest levels." It was later found to be the work of Gary McKinnon, a Scottish system administrator. Gary has been accused of mounting the largest ever hack of U.S. government computer networks -- including Army, Air Force, Navy, and NASA systems. The court has recommended that McKinnon be extradited to the United States to face charges of illegally accessing 97 computers, causing $700,000 in damage. Adding even more interest to McKinnon's actions is his insistence that much of his hacking was in search of information on UFOs, information he believed the U.S. government was hiding in its military computers.
  • Born : 10 February 1966 (age 54 years), Glasgow, United Kingdom
  • Nationality : British
  • Education : Highgate Wood School (1977–1982)
  • Known for : Security hacker
  • Other Name : Solo
  • Parents : Janis Sharp, Charlie McKinnon


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