"The nations of China and Russia, through their intelligence services and through their corporations, are attacking our research and development.
That's a serious issue, because if we build their economies on our information, I don't think that is right," the National Counterintelligence executive Bryant said while unveiling a report in Washington on Thursday.
Bryant's office is responsible for mounting an integrated national counterintelligence battle against foreign intelligence threats to the United States.
"US private sector firms and cybersecurity specialists have reported an onslaught of computer network intrusions that have originated in China," the CNN quoted the report as saying.
In a statement, Rogers said the report 'once again underscores the need for America's allies across Asia and Europe to join forces to pressure Beijing to end this illegal behaviour.'
The report is the most forceful public airing of US allegations
The theft was valued at $20 million, representing one-eighth of Valspar's annual profit, the CNN report said.
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