> Thanks for your response, a lot to think about sure. I suppose having > some sort of phone home daemon running to know whether or not to dd > itself is probably the best way to at least somewhat destroy itself in a > disaster scenario
As a note, it seems that dd on an SSD is not so effective due to the wear balancing algorithm. Instead the "ATA Secure Erase" command should be used (of course you have to trust that the SSD vendor has implemented that correctly in the ROM / hardware).
