Following this story:
The cyber criminals have issued their ransomware demands:
Cybercriminals who breached Nvidia issue one of the most unusual demands ever | Ars Technica
The demand – unlock your graphics cards so they can be used for crypto-mining or we will release over 1TB of your data to the web.
A Further Step to Getting GeForce Cards into the Hands of Gamers | NVIDIA Blog – this is an explanation from Nvidia about limiting their card’s mining performance.