Brute force password cracking has been around for a while but in the last few years a new way to use your brand new graphic card has emerged which brings high performance attacks against passwords much cheaper and easier.
This is because the “brain” of those graphical card, The Graphical Processing Unit or GPU, is designed to handle mathematical and repetitive tasks very efficiently.
There is a very good article about this topic on the ERRATA SECURITY blog with some interesting facts:
– Although GPU are now found in most electronic devices (i.e.: phones), dedicated PC cards are obviously better
– Radeon is better than GeForce
– Although you can use more than one GPU, the benefits are not exponential and most people only need 1 or 2 GPU.
– This is because past 8 Characters, a password become near impossible to brute force....
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