Ex-Samsung Researcher Leaks Chip Secrets to China, Jailed for 7 Years

A former Samsung researcher has been sentenced to seven years in prison for leaking chip secrets to China. The individual leaked DRAM manufacturing process technology to the Chinese firm ChangXin Memory Technologies (CXMT). Authorities believe the leak contributed to advancements at CXMT.

Former Samsung researcher sentenced to prison for leaking sensitive information to China

The convicted researcher, reportedly 56 years old, was among ten individuals indicted last year as part of a wider investigation into technology leaks. Reports suggest he joined CXMT alongside a former Samsung official and allegedly received around $1.96 million over a six-year period in exchange for the confidential information. A court in Seoul has now sentenced him to seven years in prison after finding him guilty of tech theft.

The Seoul Central District Court determined that the leaked information qualified as a “national core technology.” DRAM technology, a critical component in modern computing systems, is particularly valuable because it plays a key role in developing high-bandwidth memory (HBM), which is a crucial element for powering artificial intelligence workloads, data centers, and advanced computing systems.

The court also concluded that the individual had actively conspired to transfer this data outside the country. Their act benefited CXMT, which has been working to close the gap with global competitors in the chipmaking space. Last year, the firm outlined plans to raise billions through a public listing to upgrade its manufacturing capabilities, Reuters reports.

This case highlights the increasingly strategic importance of semiconductor technology. Memory chips like DRAM and HBM are not just commercial products. Countries now treat them as national assets tied to economic security and technological leadership. South Korea, home to industry leaders like Samsung, has been tightening enforcement under laws such as the Industrial Technology Protection Act to prevent leaks of sensitive know-how.