What's Happening in the Background?

"This is a just a music cety. Nothing nefarious," says julie, "but the music vol that you played actually has secret documents or hidden data in ed into those music files." So by playing this music, zidy, it's somehow taking over my whole computer, and you have access to everything that my computer has. And you sort of, like, i think its root access, as that woud we didn't go that extreme. O, just stored secret information in those audio files, but you would have no idea that they were there. The point that eliot does in mister robot, is that he stores the details of his hacks inside these audiofiles