Optimal password minimum length requirement? (In particular, does a 15 character minimum make sense for most university users?)

Is there any professional consensus on what the optimal password minimum length requirement should be?
The University of Michigan recently implemented a 15 character minimum for all users.
To me (complete layperson), this seems foolish bec… Continue reading Optimal password minimum length requirement? (In particular, does a 15 character minimum make sense for most university users?)