There is HardenedBSD http://hardenedbsd.org/ http://hardenedbsd.org/, which is working on filling gaps between OpenBSD and FreeBSD security. OpenBSD is definit

There is HardenedBSD http://hardenedbsd.org/ http://hardenedbsd.org/, which is working on filling gaps between OpenBSD and FreeBSD security. OpenBSD is definitely more secure out of the box than Linux.