This is an ending achievement.
*** Spoiler - click to reveal *** In order to get this one, in the last act of the game, Delacroix will repeatedly warn you against looking into Goldfels. Ignore her warnings and follow the link.
Juliet's phone mentions he worked at Rosen.
The company website mentions Demiurge.
The Thought Blog proves that Demiurge is Orwell.
Once you've uncovered the link between Orwell and Goldfels and logged it into Orwell, upload the "proof" that Thought is a terror cell.
2 + 2 = 5 after all.