so what is the H.E.Y.D.A.R. really? well, let's let these lines from episode #2 "the manicoid teleportation conundrum" tell the tale...
THE MIDDLEMAN: In technical terms, it’s a global analysis and information-gathering device capable of performing both on-board evidence analysis as well as universal intelligence searches across all data platforms.
WENDY: And in non-technical terms?
THE MIDDLEMAN: It’s a big silver ball that gives us answers to things.