Semiconductors accounted for nearly four in 10 cases of industrial technology leaks in South Korea, according to new data reported by The Korea Times.

The figure underscores how the chip sector has become the principal target of technology theft in one of the world's largest semiconductor-producing nations. South Korea hosts Samsung Electronics and SK hynix, the global leaders in memory chips, and the concentration of process know-how and customer data within a small number of firms makes the industry a natural target for industrial espionage.

The Korea Times, citing official data, reported that semiconductors represented close to 40 percent of all industrial technology leak cases in the country. The report did not break down the figure further in the summary information available, but the share is large enough to make chips by far the most affected sector among Korean industries tracked by the authorities.

The data point arrives as Korean chipmakers tighten operational security around their most valuable process technologies. Samsung and SK hynix compete at the leading edge of DRAM and NAND production, where yield know-how and equipment settings constitute competitive advantages measured in billions of dollars of annual revenue. A single leak of process parameters or customer pricing information can erode margins and shorten the advantage window over rivals.

Industrial technology leaks have long been a enforcement priority for Korean prosecutors, who have pursued cases involving former engineers at memory makers carrying proprietary data to competitors overseas. The high share of semiconductor cases in the new data confirms that the sector remains the dominant front in that effort, despite years of criminal prosecutions and corporate security programs.

The figure also carries commercial weight beyond Korea. As Samsung and SK hynix expand capacity abroad — including Samsung's fabs in the United States and SK hynix's packaging investments — the question of how process know-how is protected across borders affects where customers and governments place orders for advanced memory. Export-control regimes and national security reviews in Washington have already added friction to Korean chipmakers' China operations, and the persistence of leak cases adds a further layer of risk to technology transfer decisions.

The Korea Times report presents the data as an aggregate statistical finding rather than an account of individual incidents, and it does not identify specific companies as victims in the cases counted. The near-40-percent share nonetheless establishes a baseline that policymakers and chipmakers can track: if the semiconductor portion of leak cases stays at or near that level in future data releases, expect Korean authorities to keep tightening criminal enforcement around chip-sector technology transfers and companies to double down on internal controls at their fabs and R&D centers.