Reply to post: Re: Your dog is more popular than your daughter

Who needs hackers? 'Password1' opens a third of all biz doors

Dick99999

Re: Your dog is more popular than your daughter

@ ZSn "Not sure", agree.

How can they crack GoodLuckGuessingThisPassword by brute force? Considdering letters only: one has to guess max 52^23=2.8E42 times which takes centuries. (or crack a PW of 140 bits entropy).

Perhaps a Markov chain attacks works with these words. Might gain a factor 3(?) up front, but with the same performance for an exhaustive serach.

Even if a combine-words-in-dictionary attack on a passphrase was undertaken with a 7776 word Diceware dictionary: it would take max 7776^5=2.8 E19 guesses. Or at ~20 billion/sec (if possible for phrases) some 40 years on average.

I have not seen math for non-random phrases, that could be attacked by grammar based approaches. Perhaps they know how to do that?

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