Apple and Amazon have stated that they have not found the Chinese malware elements in their computers, Bloomberg reports.
Previously, the agency reported, quoting data from 17 unnamed sources, that Chinese hackers installed spy microchips in components for servers of major American companies, including Apple and Amazon.
"Apple has never found malware chips, hardware manipulations or vulnerabilities, specially installed on any of the servers", the company said in a statement.
Apple also denies having any contact with "the FBI or any other agency about a similar incident".
Amazon and Super Micro have also refuted the information in the publication.
And the Ministry of Foreign Affairs of China assured that Beijing is a strong advocate of cyber security and is in favor of working together with the international community to solve problems in this area.