brute forcing

A newly-unveiled password-cracking system can reportedly guess billions of unique passwords every second. At that rate, it's entirely practical to have the device attempt every possible eight-character Windows password. The password-cracking system ... is a Linux-based graphical processing unit (GPU) 'cluster' that uses a special type of virtualization software which allows it to use not one, not two, but 25 Advanced Micro Devices (AMD) Radeon graphics cards. 350 Billion Passwords Guessed Each Second That kind of GPU power enables the cluster to guess passwords at an astonishing rate: 350 billion ... (view more)