Comment Re:Rendering time? (Score 1) 17
They link to "GPU.zip" which apparently is another side-channel based on the GPU's compressions - https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.hertzbleed.com%2Fgpu...
So apparently by asking it to blur the background, they can time it. Then the "core" of the attack is this GPU.zip so really it sounds like this is more of a "look we found a new way to exploit this."