What if a computer hacker broke through your security system and stole or compromised all your customer data?
He is a self-taught computer hacker, amateur astronomer and reportedly enjoys writing code.
On Sunday, a computer hacker who calls himself "The Jester" claimed responsibility for the cyber attack that affected WikiLeaks.
An apologetic computer hacker has been sentenced to nearly four years in prison, following a conviction of software piracy.
Kevin David Mitnick, 35, is arguably the worlds most famous computer hacker.
Do we know how this computer hacker managed to figure it out?
Janice Sharp, the mother of computer hacker Gary McKinnon who was spared from being extradited to the US, is backing his Mr McIntyre's fight.
Self-confessed computer hacker Adrian Lamo told the world's media how Pte Manning had confessed to the data theft during conversations they had on the internet.
She had prevented the deportation of the computer hacker Gary Mckinnon.
British computer hacker Gary McKinnon will not be extradited to the United States to face trial and a possible conviction, the U.K. government has announced.
FORBES: Hacker Gary McKinnon Avoids Extradition To United States
Last October, British Home Secretary Theresa May rejected a U.S. request to extradite Gary McKinnon, a British computer hacker who has admitted accessing American military computers.
The following day, at a lecture about personal branding and appearance, I asked 80 people to describe what a typical professor, computer hacker and high-school art teacher looked like.
Swartz was portrayed by prosecutors as a computer hacker who had wrongfully accessed some free documents from an on-line academic journal repository at the Massachusetts Institute of Technology (MIT).
Some two months ago, a 27-year old computer hacker named Aaron Swartz committed suicide rather than face a federal indictment that he thought might send him to jail for a lot of years.
FORBES: Aaron Swartz' Suicide Forces Hard Questions About The Criminal Justice System
Karen Todner, Mr Tappin's UK lawyer, who also represented computer hacker Gary McKinnon in his successful fight against extradition, said 98% of people who enter the US justice system enter into a plea agreement.
BBC: Weapons accused Christopher Tappin to enter guilty plea
And could I just ask you both, as a sidebar, this time last year we talked about the case of computer hacker Gary McKinnon, on which the Prime Minister has expressed very clear views.
WHITEHOUSE: President Obama & Prime Minister Cameron Joint Press Availability | The White House
Silent treatment A year ago we argued that the U.S. federal government had overreacted when it sentenced the computer hacker Kevin Mitnick, 36, to five years in jail--more time than most plea-bargaining killers serve (" Kevin Mitnick, the hackers' first martyr").
So when I read about the public outrage over how Assistant U.S. Attorney Stephen Heymann of Boston is being called out for pushing too hard in the case of alleged computer hacker Aaron Swartz (committed suicide) I recounted other cases of hard-charging prosecutors in cases that I have covered.
FORBES: There Are No Nice Prosecutors When You Are A Defendant
Blame Rooney Mara (or the androgynous computer-hacker character she plays in The Girl With the Dragon Tattoo), but the spring couture shows in Paris this week definitely had a punk-rock attitude.
Residents of the South Carolina learned about the vulnerability of their state computer systems the hard way, after a hacker operating from a foreign IP address gained access to a computer that stored taxpayer information.
FORBES: Security Experts Warn State Governments Face Losing Battle With Hackers
Five days after a hacker invaded Sony Computer Entertainment's PlayStation Network resulting in a lengthy outage, the video game giant has yet to offer a comprehensive explanation.
The hacker had never studied computer science but is described by prosecutors as extremely smart.
For example, organizations sometimes ask DHS to help review their computer logs to see when a hacker broke in.
At the time, Mr. Dotcom set up a software-hacker community and a computer system used to upload pirated software from others, Mr. Bogk said.
However, many of the tools available on the Internet are so easy to use that any computer novice can become a dangerous hacker, he said.
CNN: Technology - Government computers: The ultimate hackers' proving ground
In an e-mail to a tech blogger he said the misdeed was the work of a hacker who had broken into his computer.
In October of 2008 one of these networks was mapped out when a hacker named Neon broke into a computer housing accounting information for a Russian company called Bakasoftware.
Personal computing emerged in the 1980s as something Hollywood couldn't ignore, with films like "Tron, " about a hacker who gets trapped in a computer game, and 1983's "WarGames, " about a nerdy high school student who nearly causes a nuclear apocalypse after breaking into a military-operated computer network.
When a large Southern California water system wanted to probe the vulnerabilities of its computer networks, it hired Los Angeles-based hacker Marc Maiffret to test them.
Guido uses the case, much of which has been made public, to recreate the exploit, having students map out step by step how the hacker was able to access a desktop computer and infiltrate the company's network.
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