Don't know about a scene, but EC2-like access to virtual GPUs was rumored to be pretty dangerous, potentially even to the hardware itself (think something like

Don't know about a scene, but EC2-like access to virtual GPUs was rumored to be pretty dangerous, potentially even to the hardware itself (think something like changing the voltages via undocumented registers). The attack surface there is enormous. It was rumors, maybe someone here knows better.