NO ONE is cracking AES 256 without a few DOZEN more major breakthroughs in computer processor speeds. This ain't your daddy's WEP 64 bit encryption algorithm.
Maybe someone at a movie company. Digital effects, especially rendered effects, use giant server farms to process the huge amounts of calculations and imaging, frame by frame.
Using the Pixar setup for a couple months maybe?
Then there are the Google clusters, which are pretty big. But they’d never use that capability for evil, their motto says so!