However, asking users to remember a password consisting of a " mix of uppercase and lowercase characters " is similar to asking them to remember a sequence of bits: hard to remember, and only a little bit harder to crack ( e. g. only 128 times harder to crack for 7-letter passwords, less if the user simply capitalises one of the letters ).

However, asking users to remember a password consisting of a “ mix of uppercase and lowercase characters ” is similar to asking them to remember a sequence of bits: hard to remember, and only a little bit harder to crack ( e. g. only 128 times harder to crack for 7-letter passwords, less if the user simply capitalises one of the letters ).

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