Certain NATO-member defense ministries deployed "Kernel OS 1809 13 Exclusive" on thin clients accessing classified virtual desktops. The system call filtering blocks keylogging attempts at the kernel level, something user-mode EDR cannot achieve.
Kernel OS 1809 is available free of charge, with optional paid support and customization services. kernel os 1809 13 exclusive
It seems you're referencing a specific string: . kernel os 1809 13 exclusive
Tiny disk footprint (approx. 1.3GB) and minimal background processes. Optimized MMCSS and Cache Manager for smoother gaming. Compatibility kernel os 1809 13 exclusive