Chinese authorities on Sunday urged local operators of “critical information structure” to stop purchasing from the U.S.-based chipmaker Micron Technology Inc., citing “major” security risks without providing any details.
The Cyberspace Administration of China (CAC) said that Micron had failed a security review, which it launched after the United States announced export bans that impacted China’s access to advanced semiconductors.
The United States last year imposed sweeping restrictions on access to chipmaking technology to impede China’s technological and military advances. Advanced semiconductor chips are used to make everything from pickup trucks to hypersonic missiles. Currently, more than 60 percent of the world’s supply of chips is produced in Taiwan, many of them with the help of U.S. research and design….