I have a few friends who are strong believers of the existence of illuminati/nwo threats, and I occasionally am shown a video or two that is supposed to provide evidence of such.
Whether such a group is out there or not, in this video JFK alludes to secret societies and a great conspiracy behind the scenes.
As he says in his speech:
"For we are opposed around the world by a monolithic and ruthless conspiracy that relies primarily on covert means for expanding its sphere of influence"
"It is a system which has conscripted vast human and material resources into the building of a tightly knit, highly efficient machine"
"Its preparations are concealed, not published. Its mistakes are buried, not headlined"
My first intuition, given the historical context, is that this speech is about Marxist/Communist secret societies of the time (which the US was very active in opposing), and the dangers of ideological intolerance, which is why he says he is opposed to "an office of war" and "censorship" of any kind.
I think this would be a sane view, based on another segment where he states the "machine"
"...conducts the Cold War, in short, with a war-time discipline no democracy would ever hope or wish to match"
The rest of the internet, however, appears to believe that this speech is most likely the cause of his assassination, and proof of the NWO conspiracy.
Is JFK's speech exposing a secret agenda driven by NWO groups such as the illuminati?
NOTE: full speech available at jfklibrary