When NVIDIA claimed that CUDA on combo with a fast GPU is very powerfull to use for computing, I'm pretty sure they didn't have this in mind. An interesting article over at SC Magazine. Seems a Russian firm is using the latest NVidia GPU's to increase WiFi password recovery by 10000%. Amazing in how powerful GPU's have become in the last few years eh ?
Global Secure Systems has said that a Russian's firm's use of the latest NVidia graphics cards to accelerate WiFi
Latest NVidia GPUs used to crack WiFi