While many admins and blog posts tell users that length is by far the most important factor in creating strong passwords/passphrases, the majority of password input fields are giving them a set of hide-bound rules: Eight characters, at least one upper- and one lowercase letter, some digits and punctuation marks, etc.
Even though it includes dictionary words, a passphrase like:
Sgt. Pepper's Mr. Kite
is far stronger than:
(there’s a world of difference between 22 characters and 9, from a cracking perspective). But many password input fields would reject the first one. No wonder users are confused by the process of creating strong passwords!
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