In an era when silicon has become as strategically precious as steel or oil, South Korea has formalized a long-held truth: its semiconductor industry is not merely commerce, but sovereign power. Seoul's expanded espionage law, now in effect, raises the legal cost of targeting the chip technologies that anchor both its economy and its place in the global order. The move reflects a world in which nations increasingly treat their most advanced industrial knowledge as a form of national defense, and where the line between corporate competition and state-sponsored theft has all but disappeared.