http://www.prisonplanet.com/intel-ceo-refuses-to-answer-questions-on-whether-nsa-can-access-processors.html
(One most interesting paragraph, from the text, relating to Free Software:)
"In December, developers of the FreeBSD operating system noted that they
could no longer trust[*] Intel and Via’s chip-based cryptographic security,
saying that there was a very high possibility that the NSA had backdoor
access."
*
http://arstechnica.com/security/2013/12/we-cannot-trust-intel-and-vias-chip-based-crypto-freebsd-developers-say/