12. The method of claim 11 , wherein determining to accept the proposed password comprises: determining a similarity score based on a comparison between the first set of formation rules and the second set of formation rules; and determining that the similarity score is below a predetermined threshold score.
12. The method of claim 11 , wherein determining to accept the proposed password comprises: determining a similarity score based on a comparison between the first set of formation rules and the second set of formation rules; and determining that the similarity score is below a predetermined threshold score. 14. The method of claim 12 , wherein the operations further comprise denying the proposed password when the similarity score is above the predetermined threshold score.