The NSA, the original primary developer of SELinux, released the first version to the open source development community under the GNU GPL on December 22, 2000.[6] The software was merged into the mainline Linux kernel 2.6.0-test3, released on 8 August 2003. Other significant contributors include Red Hat, Network Associates, Secure Computing Corporation, Tresys Technology, and Trusted Computer Solutions.
Paranoia in the sense of being concerned with the ill intent of others, not the sense of an irrational worry about about persecution. Much like how the intelligence community itself is said to have institutional paranoia.