Without accounting for level of technical aptitude, and assuming one seeks security as in security from corporate or dragnet state surveillance, there may be a few hardware options out there. Desktops: Assemble a workstation using boards flashed with liberated firmware, or pre-flashed from a company that will do it for you., [1] Assemble a workstation using boards flashed with (mostly) liberated firmware, or preassembled from a company that will do it for you. System76 purportedly uses their ...