After Assange mentioned that Debian is owned by NSA, i started worrying that there is none. Whats your thoughts on it?<p>http://igurublog.wordpress.com/2014/04/08/julian-assange-debian-is-owned-by-the-nsa/
I agree, there is no such thing as 'safest OS' however it also depends on who are you trying to save from? Government? forget it. Viruses and malwares (non gov stuff) then MacOS is still better than others. This is a lengthy discussion though.