Cracking passwords has two aspects that need to be considered when taking into account how likely it is to reveal the information you need. They are defined as follows:
With the increase in GPU crackers, oclHashcat being my favorite, a large emphasis has increasingly been put on power as opposed to efficiency. People suspect that because they can throw a wordlist of 1 billion entries against a hash that it’s the optimal solution. I’m not saying that you shouldn’t try it as your last resort, but perhaps there is a better way to put the odds in your favour.
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