Weapons Kingdom News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: cnn could not independently the latest report fi findings. several members of the defense board declined to speak to us. u.s. defense and other officials downplayed the report saying some of the information is dated, that they've taken steps to address the concerns. one saying, quote, the idea that somehow whoever the intruders were got the keys to the weapons kingdom is a stretch. but the pentagon has recently accused china of trying to extract information from u.s. government computers, including military ones. if the chinese even got into parts of a combat or missile defense sy...

Different sources, different laptops, different computer systems that have been compromised, but it's hard to take a lot of the pieces and gel them into one comprehensive picture of what might be being built or what the designs are. >> reporter: cnn could not independently verify the latest report's findings. several members of the defense science board who we contacted declined to speak to us. u.s. defense and other officials downplay the report, saying some of the information is dated, but they have taken steps to address the concerns. one saying, quote, the idea that somehow whoever the int...

>> bits and pieces of things will be taken from many different sources, different laptops, different computer systems that have been compromised, but it is hard to take a lot of pieces and gel them into one comprehensive picture of what might be being built or what the designs are. >> reporter: cnn couldn't independently verify the latest report findings. several members of the defense science board we contacted declined to speak to us. u.s. defense and other officials down play the report, saying some of the information is dated, that they've taken steps to address the concerns. one saying, q...

Of the information is dated, that they've taken steps to address the concerns. one saying "the idea that somehow whoever the intruders were got the keys to the weapons kingdom is a stretch, but the pentagon has recently accused china of trying to extract information from u.s. government computers, including military ones. if the chinese even got into parts of a combat or missile defense system, how could they have gotten past the safeguards? >> there's a lot of engineering that gets done in an academic setting. there's a lot that gets done defense industrial base. a lot of these places have be...

Board made up of government and civilian experts was given to "the washington post." the report doesn't accuse china of stealing entire designs, but if they didn't steal them, how did they compromise them? we spoke with a top security expert that did a report earlier on chinese military hackers. >> bits and pieces taken from many different sources, different laptops and computer systems that have been compromised. it is hard to take these pieces and gel them into one comprehensive picture of what might be being built or what the designs are. >> reporter: cnn couldn't independently verify the l...