In 2026, the idea of a “border” is no longer limited to land, air or sea; it now exists deep within code, servers, and operating systems. As cyber warfare intensifies and geopolitical tensions evolve, digital infrastructure has become the new battlefield. For years, defense agencies relied on commercial off-the-shelf (COTS) software to run critical systems. But today, that reliance is being questioned. Why? Because using a foreign-developed operating system in national defens