Solutions: 1) Accelerometer (as someone already mentioned) 2) Trigger encryption upon disconnect from your particular network 3) GPS 4) Very simple one: re-

Solutions: 1) Accelerometer (as someone already mentioned) 2) Trigger encryption upon disconnect from your particular network 3) GPS 4) Very simple one: re-route AC power inside the machine chassis through a SPST momentary switch glued to the underside. When the machine is lifted, power is cut. 5) More, that I won't list here, because they will end up in the swines' handbooks. Use your imagination.