i.e. http://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-attempt-of-2003/ http://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-a... There's been m

i.e. http://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-attempt-of-2003/ http://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-a... There's been multiple attempts. Linus has even been directly asked to put backdoors in Linux. There is even a contest to make code look normal, but do something malicious https://en.wikipedia.org/wiki/Underhanded_C_Contest https://en.wikipedia.org/wiki/Underhanded_C_Contest I'm sure the NSA is very good at that.