MafiaBoy was the Internet alias of Michael Demon Calce (born 1986), a high school student from West Island, Quebec, who launched a series of highly publicized denial-of-service attacks in February 2000 against large commercial websites, including Yahoo!, Fifa.com, Amazon.com, Dell, Inc., E*TRADE, eBay, and CNN. He also launched a series of failed simultaneous attacks against 9 of the 13 root name servers.He hacked Yahoo! when it was still the web’s leading search engine and caused it to shutdown for about an hour.
Like many hackers, Calce exploited websites primarily for pride and establishing dominance for himself and his cybergroup, TNT. In 2001, the Montreal Youth Court sentenced Calce to eight months of open custody, one year of probation, restricted use of the Internet, and a minimal fine.
4.George Hotz
George Francis Hotz (born October 2, 1989), alias geohot, is an American hacker known for unlocking the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T's and Apple's intentions. He developed the limera1n jailbreak tool and bootrom exploit for iOS. He is also noted for his technical efforts and publicity with reverse engineering the PlayStation 3 video game console, and for subsequently being sued by and settling with Sony.
In June, 2007, Hotz became the first person to carrier unlock an iPhone. According to Hotz’s blog, he traded his 2nd unlocked 8 GB iPhone to Terry Daidone, the founder of Certicell, for a Nissan 350Z and three 8 GB iPhones.
Being one of the first hackers ever to jailbreak the Sony PlayStation 3, Hotz found himself in the midst of a very relentless, public and messy court battle with Sony – perhaps worsened by Hotz’s public release of his jail breaking methods.
In a stated retaliation to Sony’s gap of the unstated rules of jail breaking – never prosecute – the hacker group Anonymous attacked Sony in what would be the dubbed as the most costly security break of all time to date.
At the end of April 2011, Hackers broke into the PlayStation Network and stole personal information of some 77 million users. However, Hotz denied any responsibility for the attack, and added “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.”
3.Adrian Lamo
Adrian Lamo is a Colombian-American threat analyst and hacker. He used coffee shops, libraries and internet cafés as his locations for hacking. Apart from being the homeless hacker, Lamo is widely-known for breaking into a series of high-profile computer networks, which include The New York Times, Microsoft, Yahoo!, and MCI WorldCom.
In 2002, he added his name to the The New York Times’ internal database of expert sources and utilized LexisNexis account to conduct research on high-profile subjects. Adrian was called as the most effective and controversial hacker of the 21st century. That is very flattering status.
For his intrusion at The New York Times, Lamo was ordered to pay approximately $65,000 in damages and was sentenced to six months house arrest at his parents’ home, with an additional two years of probation. In June 2010, Lamo disclosed the name of Bradley Manning to U.S. Army authorities as the source of the July 12, 2007 Baghdad airstrike video leak to Wikileaks. Lamo is presently working as a threat analyst and donates his time and skills to a Sacramento-based nonprofit organization
2.Gary McKinnon
This black hat McKinnon hacked into 97 United States military and NASA computers. He could be the biggest threat for government. Glasgow-born McKinnon wanted the truth to come out and show itself. In March 2002 Gary was arrested by police.
Black hat used his hacking skills to research his beliefs and evidence of UFOs inexhaustible source of power, into the US government’s computers. He didn’t do that because of boredom, but because of obsession and thirst to hidden knowledge. Probably this computer crime is serious, but forgivable. Man wasn’t going to hack computer system because he was bored or to prove something, we was looking for truth no more than.
1.Jonathan James
16-year-old black hat hacker Jonathan James, became the first juvenile imprisoned for cybercrime. James gained his notoriety by implementing a series of successful intrusions into various systems. In an anonymous PBS interview, he professes, “I was just looking around, playing around. What was fun for me was a challenge to see what I could pull off.”
James’ major intrusions targeted high-profile organizations such as NASA and the Department of Defense. He cracked into NASA computers, stealing software worth approximately $1.7 million. He also hacked into the Defense Threat Reduction Agency and intercepted over 3,000 highly secretive messages passing to and from the DTRA employees, while collecting many usernames and passwords.
Also known as “c0mrade,” James committed suicide using a gun, On May 18, 2008, at the age of 25. His suicide was apparently motivated by the belief that he would be prosecuted for crimes he had not committed. “I honestly, honestly had nothing to do with TJX,” James wrote in his suicide note, “I have no faith in the ‘justice’ system. Perhaps my actions today, and this letter, will send a stronger message to the public. Either way, I have lost control over this situation, and this is my only way to regain control.”




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