Peoples Call them Hackers but i call them Security Experts
Kevin Poulsen
Kevin Lee Poulsen was born 1965 in Pasadena, California, U.S. He is a former black hat hacker. He is currently a senior editor at Wired News. Kevin Poulsen popularly known as Dark Dunte in hacking circles is one of the most expert hackers in the world; Kevin Poulsen ‘s expertise lied in hacking phone lines, he got recognition as expert hacker after hacking Los Angeles radio’s KIIS-FM phone lines.
Kevin Poulson was very brave hacker, even FBI was not safe from his hacking, he hacked FBI database and federal wiretap information, after these incidents FBI started tracking Kevin,he got five years sentence for his crimes.
Kevin Mitnick
Kevin David Mitnick was in born August 6, 1963. He is currently a computer security author and consultant, was once “the most wanted criminal in United States”; Kevin Mitnick started his hacking career by hacking Los Angeles bus card system, then after this he hacked phone networks, business secrets and even national defense warning system.
Kevin Mitnick was arrested, convicted and he got 8 years imprisonment punishment, some years ago two Hollywood movies” Take down” and “Freedom Downtime” were made on the hacking heroics of Kevin Mitnick.
Robert Morris
Morris is now a tenured professor at the MIT Computer Science and Artificial Intelligence Laboratory. His focus is computer network architecture.
Johan Helsingius
Known online as Julf, he operated the world’s most popular anonymous remailer, called penet.fi, until he closed up shop in September 1996. Helsingius’ troubles started when he was raided in 1995 by the Finnish police after the Church of Scientology complained that a penet.fi customer was posting the “church’s” secrets on the Net. Helsingius mothballed the remailer after a Finnish court ruled he must reveal the customer’s real e-mail address. He ran the world’s busiest remailer on a run-of-the mill 486 with a 200-megabyte harddrive, and he never felt the need himself to post anonymously. Johan Helsingius now lends his cyber knowledge to communication companies worldwide.
Jonathan James
Jonathan Joseph James was born in December 12, 1983 – May 18, 2008, a.k.a. c0mrade, was an American hacker who was the first juvenile incarcerated for cybercrime in the United States
“I was just having fun and looking around and enjoyed the challenge”, this is what renowned young hacker, Jonathan James Aka Comrade said upon his arrest by the police.
Jonathan James was very high profile hacker, his victims were very important organizations like Defense Threat Reduction Agency, NASA etc;Jonathan hacked computer passwords and user names of Defense Threat Reduction Agency by which he was able to check secret emails of this organization, James also hacked NASA computers and stole software valued at over $1.7 million , they had to shut down its entire computer system costing taxpayers $41,000.
Jonathan James died in very strange circumstances, On May 18, 2008, Jonathan James was found dead of a self-inflicted gunshot wound. His suicide was apparently motivated by the belief that he would be prosecuted for crimes he had not committed, by crime he was referring to TJX store chain’s massive computer intrusion that compromised the personal and credit information of millions of customers.