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It seems not even the high-tech NASA is safe from digital intruders: The space agency’s computer systems were breached by hackers 13 times last year, according to Congressional testimony this week.

“These incidents spanned a wide continuum from individuals testing their skill to break into NASA systems, to well-organized criminal enterprises hacking for profit, to intrusions that may have been sponsored by foreign intelligence services seeking to further their countries’ objectives,” said Paul Martin, NASA’s inspector general, in his Congressional testimony released on Wednesday.

“Some of these intrusions have affected thousands of NASA computers, caused significant disruption to mission operations, and resulted in the theft of export-controlled and otherwise sensitive data
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In one instance, the agency discovered late last year an intrusion into its system by hackers working through a China-based IP address. Martin said that the hackers gained full access to the network of NASA’s Jet Propulsion Laboratory, allowing them to view, copy, delete and otherwise tamper with classified information.

Before closing the door behind them, the hackers uploaded software allowing them access to other NASA systems and managed to adeptly hide their digital tracks.

In a separate event, hackers managed to grab computer access codes from more than 150 NASA employees. According to Martin, the agency failed to move quickly enough to ensure that those hackers wouldn’t be able to use the codes to gain access to its networks.
http://mashable.com/2012/03/02/nasa-was-hacked-13-times-last-year/
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A group of hackers in China breached the computer defenses of America's top business-lobbying group and gained access to everything stored on its systems, including information about its three million members
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It is possible the hackers had access to the network for more than a year before the breach was uncovered, according to two people familiar with the Chamber's internal investigation.

One of these people said the group behind the break-in is one that U.S. officials suspect of having ties to the Chinese government.
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The Chamber moved to shut down the hacking operation by unplugging and destroying some computers and overhauling its security system. The security revamp was timed for a 36-hour period over one weekend when the hackers, who kept regular working hours, were expected to be off duty.
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They first watched the hackers in action to assess the operation. The intruders, in what appeared to be an effort to ensure continued access to the Chamber's systems, had built at least a half-dozen so-called back doors that allowed them to come and go as they pleased, one person familiar with the investigation said. They also built in mechanisms that would quietly communicate with computers in China every week or two, this person said.

The intruders used tools that allowed them to search for key words across a range of documents on the Chamber's network, including searches for financial and budget information, according to the person familiar with the investigation.
http://online.wsj.com/article/SB100014240529702040584045771105415685353…
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Chinese hackers breach Nortel networks
http://www.washingtonpost.com/business/technology/report-chinese-hacker…
Hackers working from China have reportedly had access to Nortel’s networks since breaching the telecommunication company’s networks as far back as 2000.
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The report said that Nortel discovered the hackers in 2004, after an employee noticed some unusual downloads being made in the name of an executive. Shields told the paper that he found that the hackers have been using China-based Internet addresses for the transmissions. He said that he noticed unusual transmissions every month or so, but that Nortel decided to ignore his recommendations to enhance network security.