China secretly inserted surveillance microchips into servers used by major technology companies, including Apple and Amazon.com, in an audacious military operation likely to further inflame trade tensions between the United States and its leading source of electronics components and products, Bloomberg Businessweek reported.
The article detailed a sweeping, years-long effort to install the surveillance chips in servers whose motherboards – the brains of the powerful computers – were assembled in China. One affected company had its servers used by US government clients, including Department of Defence data centres, Navy warships and the CIA in its drone operations.
The extent of the data China collected from the surveillance chips was not clear from the report, and no consumer information was known to have been stolen. But the report said a top-secret US government investigation, dating from 2015 and involving the FBI, remains open.
The story cited 17 unnamed sources, including industry insiders and current and former US officials. The Chinese government, Apple, Amazon and other involved companies disputed the report to Bloomberg Businessweek, and the FBI and US intelligence officials declined to comment.
One US official told the Washington Post on Thursday morning that the thrust of Bloomberg Businessweek's reporting was accurate.
The revelations came just hours before Vice President Mike Pence delivered a stinging rebuke of China in a speech at the Hudson Institute in Washington. Pence issued a range of criticisms at what the Trump administrations sees as China's increasingly aggressive behaviour, including allegations by President Trump last week that the country is meddling in the US midterm elections.
The US and China are locked in a bitter and escalating trade war, in which hundreds of billions of US and Chinese products are under tariff.
The reported manipulation of electronics supply chains to US companies are certain to sharpen long-standing questions about the crucial but uneasy relationship between the world's two leading economies. American companies design and sell leading technology products, such as servers, laptop computers and smartphones, but they are built and assembled largely in China.
US officials long have worried about the potential for altered microchips or other components to be secretly inserted into products and shipped to the United States and elsewhere, opening doors to long-term spying on computer users and their information networks.
Apple denied its motherboards, built in China, had secret surveillance chips installed in them.
Surveillance through altered hardware is more difficult to execute than more familiar hacks to software, but the results can be harder to remedy because the components must be detected and physically removed, or use of the hardware must be discontinued.
The surveillance microchips reportedly could have connected to outside computers and secretly downloaded software to bypass security protections elsewhere, such as passwords or encryption keys, stored elsewhere on the affected servers, enabling remote computerised spying.
The operation, which Bloomberg Businessweek attributed to a Chinese military unit that specialises in hacking hardware, worked by inserting a tiny, innocuous-looking microchip onto motherboards in servers produced by Supermicro, a leading supplier of such equipment, based in San Jose. The company is American but the motherboards were assembled mainly in China.
Both Apple and Amazon discovered the surveillance chips in 2015 and took steps to replace the affected servers, according to the report, which described close cooperation between US investigators and affected companies. The report said that dozens of companies may have used sabotaged servers in their data centres before the Chinese operation was detected.
Apple said the Bloomberg Businessweek story was inaccurate. "Apple has never found malicious chips, 'hardware manipulations' or vulnerabilities purposely planted in any server. Apple never had any contact with the FBI or any other agency about such an incident. We are not aware of any investigation by the FBI, nor are our contacts in law enforcement," the company said.
The report also quoted denial of the reporting by Amazon Web Services, a cloud-services subsidiary of Amazon, which in 2015 acquired a company, Elemental, whose servers reportedly were affected by the Chinese operation.
"It's untrue that AWS knew about a supply chain compromise, an issue with malicious chips, or hardware modifications when acquiring Elemental," the Amazon statement said. "It's also untrue that AWS knew about servers containing malicious chips or modifications in data centres based in China, or that AWS worked with the FBI to investigate or provide data about malicious hardware."
Supermicro said in its statement: "We are not aware of any investigation regarding this topic nor have we been contacted by any government agency in this regard."
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