My bad. Glad I caught it before I went to sleep. Trusted Computing Base (TCB): everything in a system that the security argument depends on. Bigger and more complex the worse. Tinfoil Chat (TFC). MILS = separation kernels, basically. A more secure form of microkernel. KVM = Keyboard-Video-Mouse switch for separate, physical devices. COTS is commercial tech and FOSS is often developed with similarly low-quality methods. Hope that helps in your translation of the comment.