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The Los Alamos National Laboratory has replaced numerous Chinese components in all of its computer systems over security concerns, according to the Reuters News Agency.
The parts in question are network switches manufactured by H3C Technologies. Network switches are used to manage data traffic.
Reuters learned of LANL’s concerns through a Nov. 5 letter written by the acting chief information officer at LANL to the Department of Energy’s national nuclear security administration’s manager for safeguards and security.
NNSA did not respond to a request for comment.
The letter detailed how an unidentified network engineer at LANL alerted authorities that the devices were being installed on the networks, and that there may be some already installed on the networks.
It is undetermined at this point whether any security breach occurred, but the letter went on to say the lab’s counter-intelligence unit in October examined “sensitive networks” and “determined that a small number of the devices installed on one network were H3C devices. Two devices used in isolated cases were promptly replaced,” the letter said.
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